John Scott Armstrong
(Scott) (PhD)
Peanut and Small Grains Research Unit
Research Entomologist
Phone: (405) 385-5429
Fax:
1301 N. WESTERN RD.
STILLWATER,
OK
740752714
(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
Publications
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will take you to the publication reprint.)
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Physiological and morphological responses of susceptible and resistant barleys to bird cherry-oat aphid
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Survival and fecundity of single and grouped clonal sorghum aphids and a novel aphid marking technique
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Carey, C., Hoback, W., Armstrong, J.S., Hayashida, R., Zarrabi, A. 2023. Survival and fecundity of single and grouped clonal sorghum aphids and a novel aphid marking technique. Southwestern Entomologist. 48(2):303-311. https://doi.org/10.3958/059.048.0202.
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Identification of bird-cherry oat aphid and greenbug resistance sources from Ae. tauschii for wheat improvement
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Xu, X., Li, G., Lhamo, D., Carver, B.F., Wulff, B., Gu, Y.Q., Xu, S.S., Armstrong, J.S. 2023. Identification of bird-cherry oat aphid and greenbug resistance sources from Ae. tauschii for wheat improvement. Crop Science. https://doi.org/10.1002/csc2.21042.
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Resistance to bird cherry-oat aphid, Rhopalosiphum padi (L.), in barley, Hordeum vulgare (L.)
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Mornhinweg, D.W., Armstrong, J.S. 2023. Resistance to bird cherry-oat aphid, Rhopalosiphum padi (L.), in barley, Hordeum vulgare (L.). Southwestern Entomologist. 48(1):75-82. https://doi.org/10.3958/059.048.0107.
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Genomic location of Gb1, a unique gene conferring wheat resistance to greenbug biotype F
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Xu, X., Li, G., Bai, G., Carver, B.F., Bian, R., Bernardo, A.E., Armstrong, J.S. 2023. Genomic location of Gb1, a unique gene conferring wheat resistance to greenbug biotype F. The Crop Journal. https://doi.org/10.1016/j.cj.2023.02.002.
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Insect feeding on sorghum bicolor pollen and Hymenoptera attraction to aphid-produced honeydew
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Harris-Shultz, K.R., Armstrong, J.S., Caballero, M., Hoback, W., Knoll, J.E. 2022. Insect feeding on sorghum bicolor pollen and Hymenoptera attraction to aphid-produced honeydew. Insects. 13(12). Article 1152. https://doi.org/10.3390/insects13121152.
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Characterization of Rsg3, a novel greenbug resistance gene from the Chinese barley landrace PI 565657
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Xu, X., Mornhinweg, D.W., Bai, G., Li, G., Bian, R., Bernardo, A.E., Armstrong, J.S. 2022. Characterization of Rsg3, a novel greenbug resistance gene from the Chinese barley landrace PI 565657. The Plant Genome. 16(1). Article e20287. https://doi.org/10.1002/tpg2.20287.
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Genome-wide association mapping of resistance to the sorghum aphid in sorghum bicolor
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Punnuri, S., Ayele, A., Harris-Shultz, K.R., Knoll, J.E., Coffin, A.W., Tadesse, H.K., Armstrong, J.S., Wiggins, T., Li, H., Sattler, S.E., Wallace, J. 2022. Genome-wide association mapping of resistance to the sorghum aphid in sorghum bicolor. Genomics. 114(4). Article 110408. https://doi.org/10.1016/j.ygeno.2022.110408.
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The start of something new: Reproduction and host plant susceptibility of small grains with the hedgehog grain aphid, Sipha maydis (Heteroptera: Aphididae)
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Taylor, M., Armstrong, J.S., Mornhinweg, D., Hoback, W. 2022. The start of something new: Reproduction and host plant susceptibility of small grains with the hedgehog grain aphid, Sipha maydis (Heteroptera: Aphididae) [abstract]. In proceedings: 70th Annual Meeting of the Southwestern Branch of the Entomological Society of America, Fort Worth, Texas, April 18-20, 2022. Abstract 20-10. p. 46-47.
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Evaluating the reproductive potential of Rhopalosiphum padi on resistant sources of barley
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Parsons, M., Mornhinweg, D., Armstrong, J.S., Hoback, W. 2022. Evaluating the reproductive potential of Rhopalosiphum padi on resistant sources of barley [abstract]. In proceedings: 70th Annual Meeting of the Southwestern Branch of the Entomological Society of America, Forth Worth, Texas, April 18-20, 2022. Abstract 11-2. p. 30.
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Melanaphis sorghi (Hemiptera: Aphididae) clonal diversity in the United States and Brazil
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Harris-Shultz, K.R., Armstrong, J.S., Carvalho, G., Pereira Segundo, J., Ni, X. 2022. Melanaphis sorghi (Hemiptera: Aphididae) clonal diversity in the United States and Brazil. Insects. 13(5):416. https://doi.org/10.3390/insects13050416.
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The effects of light-emitting diode and conventional lighting on sorghum physiology and sugarcane aphid interaction
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Carey, C., Hoback, W., Armstrong, J.S., Zarrabi, A. 2022. The effects of light-emitting diode and conventional lighting on sorghum physiology and sugarcane aphid interaction. Florida Entomologist. Vol. 105, No. 2. https://doi.org/10.1653/024.105.0207.
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Evaluation of A3 cytoplasmic male sterile forage sorghum lines for resistance to sugarcane aphid
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Carey, C., Armstrong, J.S., Hayes, C., Hoback, W.W., Zarrabi, A. 2022. Evaluation of A3 cytoplasmic male sterile forage sorghum lines for resistance to sugarcane aphid. Planta. 255. Article 38. https://doi.org/10.1007/s00425-022-03820-7.
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The recent evolutionary rescue of a staple crop depended on over half a century of global germplasm exchange
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Muleta, K.T., Felderhoff, T., Winans, N., Walstead, R., Charles, J.R., Armstrong, J.S., Mamidi, S., Plott, C., Vogel, J.P., Lemaux, P.G., Mockler, T., Grimwood, J., Schmutz, J., Pressoir, G., Morris, G.P. 2022. The recent evolutionary rescue of a staple crop depended on over half a century of global germplasm exchange. Science Advances. 8. Article eabj4633.
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Host suitability for the sugarcane aphid Melanaphis sacchari (Hemiptera: Aphididae) on sorghum, sorghum-sudangrass, millets and other forage grass species
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Armstrong, J.S., Hoback, W.W., Springer, T.L. 2021. Host suitability for the sugarcane aphid Melanaphis sacchari (Hemiptera: Aphididae) on sorghum, sorghum-sudangrass, millets and other forage grass species. Trends in Entomology. 17:1-11.
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The recent evolutionary rescue of a staple crop depended on over half a century of global germplasm exchange
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Muleta, K.T., Felderhoff, T., Winans, N., Walstead, R., Charles, J., Armstrong, J.S., Mamidi, S., Plott, C., Vogel, J.P., Lemaux, P.G., Mockler, T.C., Grimwood, J., Schmutz, J., Pressoir, G., Morris, G.P. 2021. The recent evolutionary rescue of a staple crop depended on over half a century of global germplasm exchange. bioRxiv. https://doi.org/10.1101/2021.05.11.443651.
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Pan-genome analysis in sorghum highlights the extent of genomic variation and sugarcane aphid resistance genes
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Wang, B., Jiao, Y., Chougule, K., Olson, A., Huang, J., Llaca, V., Fengler, K., Wei, X., Wang, L., Wang, X., Regulski, M., Drenkow, J., Gingeras, T., Hayes, C.M., Armstrong, J.S., Huang, Y., Xin, Z., Ware, D. 2021. Pan-genome Analysis in Sorghum Highlights the Extent of Genomic Variation and Sugarcane Aphid Resistance Genes. bioRxiv. https://doi.org/10.1101/2021.01.03.424980.
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Development of KASP markers for wheat greenbug resistance gene Gb5
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Xu, X., Li, G., Bai, G., Bernardo, A., Carver, B.F., St Amand, P., Armstrong, S. 2020. Development of KASP markers for wheat greenbug resistance gene Gb5. Crop Science. 61(1):490–499. https://doi.org/10.1002/csc2.20339.
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Differential responses of sorghum genotypes to sugarcane aphid
feeding
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Paudyal, S., Armstrong, J.S., Giles, K., Hobabk, W., Aiken, R., Payton, M. 2020. Differential responses of sorghum genotypes to sugarcane aphid feeding. Planta. 252(14):1-9. https://doi.org/10.1007/s00425-020-03419-w.
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Resistance in barley (Hordeum vulgare L.) to new invasive aphid, Hedgehog grain aphid (Sipha maydis, Passerini) (Hemiptera: Aphididae)
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Mornhinweg, D.W., Puterka, G.J., Armstrong, J.S. 2020. Resistance in barley (Hordeum vulgare L.) to new invasive aphid, Hedgehog grain aphid (Sipha maydis, Passerini) (Hemiptera: Aphididae). American Journal of Plant Sciences. 11:869-879. https://doi.org/10.4236/ajps.2020.116063.
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Invasive cereal aphids of North America: Biotypes, genetic variation, management, and lessons learned
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Harris-Shultz, K.R., Armstrong, J.S., Jacobson, A. 2019. Invasive cereal aphids of North America: Biotypes, genetic variation, management, and lessons learned. Trends in Entomology. 15:99-122.
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Gb8, a new gene conferring resistance to economically important greenbug biotypes in wheat
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Xu, X., Li, G., Carver, B.F., Armstrong, J.S. 2020. Gb8, a new gene conferring resistance to economically important greenbug biotypes in wheat. Theoretical and Applied Genetics. 133:615-622. https://doi.org/10.1007/s00122-019-03491-1.
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Temperature dependent development of sugarcane aphids Melanaphis sacchari, (Hemiptera: Aphididae) on three different host plants with estimates of the lower and upper threshold for fecundity
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De Souza, M.A., Armstrong, J.S., Hoback, W.W., Mulder, P.G., Paudyal, S., Foster, J.E., Payton, M.E., Akosa, J. 2019. Temperature dependent development of sugarcane aphids Melanaphis sacchari, (Hemiptera: Aphididae) on three different host plants with estimates of the lower and upper threshold for fecundity. Current Trends in Entomology and Zoological Studies. 2:1011.
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Evidence of host plant specialization among the U.S. sugarcane aphid (Hemiptera: Aphididae) genotypes
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Paudyal, S., Armstrong, J.S., Harris-Shultz, K.R., Wang, H., Giles, K.L., Rott, P.C., Payton, M.E. 2019. Evidence of host plant specialization among the U.S. sugarcane aphid (Hemiptera: Aphididae) genotypes. Trends in Entomology. 15:47-58.
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Differences in microbiota between two multilocus lineages of the sugarcane aphid (Melanaphis sacchari) in the continental US
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Holt, J., Styer, A., White, J., Armstrong, J.S., Nibouche, S., Costet, L., Malacrino, A., Antwi, J., Wullf, J., Peterson, G., McLaren, N., Medina, R. 2020. Differences in microbiota between two multilocus lineages of the sugarcane aphid (Melanaphis sacchari) in the continental US. Annals of the Entomological Society of America. 113(4):257-265. https://doi.org/10.1093/aesa/saaa003.
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Utilizing biodemographic indices to identify perennial bioenergy grasses as sugarcane aphid (Hemiptera: Aphididae) host plants
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Armstrong, J.S., Harris-Shultz, K.R., Ni, X., Wang, H., Knoll, J.E., Anderson, W.F. 2019. Utilizing biodemographic indices to identify perennial bioenergy grasses as sugarcane aphid (Hemiptera: Aphididae) host plants. Trends in Entomology. 15:1-14.
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Categories of resistance to sugarcane aphid (Hemiptera: Aphididae) among sorghum genotypes
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Paudyal, S., Armstrong, J.S., Giles, K.L., Payton, M.E., Opit, G.P., Limaje, A. 2019. Categories of resistance to sugarcane aphid (Hemiptera: Aphididae) among sorghum genotypes. Journal of Economic Entomology. 112(4):1932-1940. https://doi.org/10.1093/jee/toz077.
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Distribution of a new invasive species, Sipha maydis Passerini (Heteroptera: Aphididae), on cereals and wild grasses in the Great Plains and Rocky Mountain states
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Puterka, G.J., Hammon, R.W., Mornhinweg, D.W., Springer, T.L., Armstrong, J.S., Brown, M.J. 2019. Distribution of a new invasive species, Sipha maydis Passerini (Heteroptera: Aphididae), on cereals and wild grasses in the Great Plains and Rocky Mountain states. Journal of Economic Entomology. 112(4):1713-1721. https://doi.org/10.1093/jee/toz068.
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Registration of R.LBK1 and R.LBK2 sorghum germplasm with resistance to the sugarcane aphid [Melanaphis sacchari (Zehntner)]
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Hayes, C.M., Armstrong, J.S., Limaje, A., Emendack, Y., Bean, S.R., Wilson, J.D., Xin, Z. 2018. Registration of R.LBK1 and R.LBK2 sorghum germplasm with resistance to the sugarcane aphid [Melanaphis sacchari (Zehntner)]. Journal of Plant Registrations. 13:91-95 (2019).
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LED grow lights alter sorghum growth and sugarcane aphid (Hemiptera: Aphididae) plant interactions in a controlled environment
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Limaje, A., Armstrong, J.S., Paudyal, S., Hoback, W. 2019. LED grow lights alter sorghum growth and sugarcane aphid (Hemiptera: Aphididae) plant interactions in a controlled environment. Florida Entomologist. 102(1):174-180. https://doi.org/10.1653/024.102.0128.
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Registration of RTx3410 through RTx3428 sorghum germplasm resistant to sugarcane aphid [Melanaphis sacchari (Zehntner)]
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Peterson, G.C., Armstrong, J.S., Pendelton, B.B., Stelter, M., Brewer, M.J. 2018. Registration of RTx3410 through RTx3428 sorghum germplasm resistant to sugarcane aphid [Melanaphis sacchari (Zehntner)]. Journal of Plant Registrations. 12(3):391-398. https://doi.org/10.3198/jpr2018.02.0007crg.
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Invasion of sorghum in the Americas by a new sugarcane aphid (Melanaphis sacchari) superclone
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Nibouche, S., Costet, L., Holt, J.R., Jacobson, A., Pedarcik, A., Sadeyen, J., Armstrong, J.S., Peterson, G.C., Mclaren, N., Medina, R.F. 2018. Invasion of sorghum in the Americas by a new sugarcane aphid (Melanaphis sacchari) superclone. PLoS One. 13(4): e0196124. https://doi.org.10.1371/journal.pone.0196124.
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Population differentiation in host choice among sugarcane aphids (Hemiptera: Aphididae) from Texas sorghum and Florida sugarcane
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Paudyal, S., Armstrong, J.S., Giles, K.L., Payton, M.E. 2018. Population differentiation in host choice for sugarcane aphids (Hemiptera: Aphididae) from Texas sorghum and Florida sugarcane. Sorghum Improvement Conference of North America (SICNA), January 29-31, 2018, St. Louis, MO, GP5, p. 9-10.
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Plant resistance in sorghums to the sugarcane aphid (Hemiptera: Aphididae)
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Armstrong, J.S., Paudyal, S., Limaje, A., Elliott, N.C., Hoback, W. 2018. Plant resistance in sorghums to the sugarcane aphid (Hemiptera: Aphididae). Journal of Entomological Science. 53(4):478-485. doi.org/10.18474/JES17-106.1.
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Registration of STARS 1501B and STARS 1502B barley germplasm with Rsg2 resistance to greenbug
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Mornhinweg, D.W., Armstrong, J.S., Carver, B.F., Springer, T.L. 2018. Registration of STARS 1501B and STARS 1502B barley germplasm with Rsg2 resistance to greenbug. Journal of Plant Registrations. 12(2):237-240. https://doi.org/10.3198/jpr2017.09.0061crg.
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New greenbug resistant sources in winter barley, Hordeum vulgare (L.)
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Mornhinweg, D.W., Armstrong, J.S., Puterka, G.J. 2017. New greenbug resistant sources in winter barley, Hordeum vulgare (L.). Southwestern Entomologist. 42(3):619-626.
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Antibiosis and tolerance discovered in USDA-ARS sorghums resistant to the sugarcane aphid (Hemiptera: Aphididae)
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Limaje, A., Hayes, C., Armstrong, J.S., Hoback, W., Zarrabi, A., Paudyal, S., Burke, J. 2018. Antibiosis and tolerance discovered in USDA-ARS sorghums resistant to the sugarcane aphid (Hemiptera: Aphididae). Journal of Entomological Science. 53(2):230-241. https://doi.org/10.18474/jes17-70.1.
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Genetic population structure of sugarcane aphid, Melanaphis sacchari, in sorghum, sugarcane, and Johnsongrass in the continental USA
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Medina, R.F., Armstrong, J.S., Harrison, K. 2017. Genetic population structure of sugarcane aphid, Melanaphis sacchari, in sorghum, sugarcane, and Johnsongrass in the continental USA. Entomologia Experimentalis et Applicata. 162(3):358-365.
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Resistance to Melanaphis sacchari (Hemiptera: Aphididae) in forage and grain sorghums
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Armstrong, J.S., Mbulwe, L., Sekula-Ortiz, D., Villenueva, R.T., Rooney, W.L. 2017. Resistance to Melanaphis sacchari (Hemiptera: Aphididae) in forage and grain sorghums. Journal of Economic Entomology. 110(1):259-265.
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Screening of sorghum lines for resistance against sugarcane aphid, Melanaphis sacchari (Zehnter)
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Paudyal, S., Armstrong, J.S., Giles, K., Limaje, A. 2016. Screening of sorghum lines for resistance against sugarcane aphid, Melanaphis sacchari (Zehnter) [abstract]. In: Valentin, K.E., Burow, G.B., Jugulam, M. Proceedings of the 2016 SICNA Meeting, September 19-21, 2016, Manhattan, Kansas. p. 27. Available: www.sicna.net.
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Sugarcane aphid resistant sorghums found within USDA-ARS Lubbock, TX genotypes
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Limaje, A., Hayes, C.M., Armstrong, J.S., Zarrabi, A., Hoback, W.W., Paudyal, S., Burke, J.J. 2016. Sugarcane aphid resistant sorghums found within USDA-ARS Lubbock, TX genotypes [abstract]. In: Valentin, K.E., Burow, G.B., Jugulam, M. Proceedings of the 2016 SICNA Meeting, September 19-21, 2016, Manhattan, Kansas. p. 27-28. Available: www.sicna.net.
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Effects of cysteine proteinase inhibitors scN and E-64 on southern corn rootworm larval development
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Armstrong, J.S., Camelo, L.A., Zhu-Salzman, K., Mitchell, F.L. 2016. Effects of cysteine proteinase inhibitors scN and E-64 on southern corn rootworm larval development. Southwestern Entomologist. 41(2):337-346.
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Host plant resistance in forage sorghums to the sugarcane aphid
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Armstrong, J.S., Rooney, W.L., Sekula, O.D., Villanueva, R.T. 2016. Host plant resistance in forage sorghums to the sugarcane aphid [abstract]. In: Proceedings of the 64th Annual Meeting of the Southwestern Branch of the Entomological Society of America, February 22-25, 2016, Tyler, TX. p. 38. Available online: http://www.entsoc.org/southwestern/2016-southwestern-branch-annual-meeting.
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Population genetics of the sugarcane aphid, Melanaphis sacchari (Zehntner), in the continental US
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Holt, J.R., Armstrong, J.S., Harrison, K., Medina, R. 2016. Population genetics of the sugarcane aphid, Melanaphis sacchari (Zehntner), in the continental US [abstract]. In: Proceedings of the 64th Annual Meeting of the Southwestern Branch of the Entomological Society of America, February 22-25, 2016, Tyler, TX. p. 25. Available online: http://www.entsoc.org/southwestern/2016-southwestern-branch-annual-meeting.
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The discovery of resistant sources of spring barley, Hordeum vulgare ssp. spontaneum, and unique greenbug biotypes
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Armstrong, J.S., Mornhinweg, D.W., Payton, M.E., Puterka, G.J. 2016. The discovery of resistant sources of spring barley, Hordeum vulgare ssp. spontaneum, and unique greenbug biotypes. Journal of Economic Entomology. 109(1):434-438.
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Registration of sorghum germplasm Tx3408 and Tx3409 with tolerance to sugarcane aphid [Melanaphis saccari (Zehntner)]
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Mbulwe, L., Peterson, G.C., Armstrong, J.S., Rooney, W.L. 2016. Registration of sorghum germplasm Tx3408 and Tx3409 with tolerance to sugarcane aphid [Melanaphis saccari (Zehntner)]. Journal of Plant Registrations. 10(1):51-56.
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Genetic characterization of an emerging aphid pest in sorghum
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Medina, R.F., Armstrong, S. 2015. Genetic characterization of an emerging aphid pest in sorghum [abstract]. In: Burow, G.B., Jugulam, M., Valentin, K.E. Proceedings of the 2015 SICNA Meeting, September 1-3, 2015, Manhattan, Kansas. p. 15-16. Available: www.sicna.net.
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Breeding for resistance to the sugarcane aphid [Melanaphis sacchari (Zehntner)]
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Peterson, G., Stelter, M., Armstrong, S. 2015. Breeding for resistance to the sugarcane aphid [Melanaphis sacchari (Zehntner)] [abstract]. In: Burow, G.B., Jugulam, M., Valentin, K.E. Proceedings of the 2015 SICNA Meeting, September 1-3, 2015, Manhattan, Kansas. p. 29-30. Available: www.sicna.net.
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Change in biotypic diversity of Russian wheat aphid (Hemiptera: Aphididae) populations in the United States
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Puterka, G.J., Giles, K.L., Brown, M.J., Nicholson, S.J., Hammon, R.W., Peairs, F.B., Randolph, T.L., Michaels, G.J., Bynum, E.D., Springer, T.L., Armstrong, J.S., Mornhinweg, D.W. 2015. Change in biotypic diversity of Russian wheat aphid (Hemiptera: Aphididae) populations in the United States. Journal of Economic Entomology. 108(2):798-804.
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Sugarcane aphid (Hemiptera: Aphididae): Host range and sorghum resistance including cross-resistance from greenbug sources
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Armstrong, J.S., Rooney, W.L., Peterson, G.C., Villenueva, R.T., Brewer, M.J., Sekula-Ortiz, D. 2015. Sugarcane aphid (Hemiptera: Aphididae): Host range and sorghum resistance including cross-resistance from greenbug sources. Journal of Economic Entomology. 108(2):576-582.
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Screening for host plant resistance to the sugarcane aphid in grain sorghum
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Armstrong, J.S., Peterson, G.C., Rooney, B.L. 2014. Screening for host plant resistance to the sugarcane aphid in grain sorghum. Proceedings of the 2014 Sorghum Improvement Conference of North America (SICNA) Meeting, June 25-27, 2014, Corpus Christi, Texas. p. 16.
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Evidence for the biochemical basis of host virulence in the greenbug aphid, Schizaphis graminum (Homoptera: Aphididae)
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Pinheiro, P., Bereman, M., Burd, J., Pals, M.A., Armstrong, J.S., Howe, K.J., Thannhauser, T.W., Maccoss, M., Gray, S.M., Cilia, M. 2014. Evidence for the biochemical basis of host virulence in the greenbug aphid, Schizaphis graminum (Homoptera: Aphididae). Journal of Proteome Research. 13(4):2094–2108.
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Outbreak of sorghum/sugarcane aphid on sorghum: First detections, distribution, and notes on management
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Brewer, M.J., Way, M.O., Armstrong, J.S., Biles, S.P., Sekula, D., Swart, J.S., Crumley, C.R., Knutson, A.E., Villanueva, R.T., Parker, R.D., Odvody, G.N., Ragsdale, D.W. 2013. Outbreak of sorghum/sugarcane aphid on sorghum: First detections, distribution, and notes on management. 25th Texas Plant Protection Conference Program, December 11-12, 2013, Bryan, TX. 1 p.
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Plant growth stage-specific injury and economic injury level for verde plant bug, Creontiades signatus (Hemiptera: Miridae), on cotton: Effect of bloom period of infestation
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Brewer, M.J., Anderson, D., Armstrong, J.S. 2013. Plant growth stage-specific injury and economic injury level for verde plant bug, Creontiades signatus (Hemiptera: Miridae), on cotton: Effect of bloom period of infestation. Journal of Economic Entomology. 106(5):2077-2083.
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Current status of greenbug biotypes in sorghum
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Armstrong, J.S. 2013. Current status of greenbug biotypes in sorghum. Proceedings of the 2013 Sorghum Improvement Conference of North America (SICNA) Meeting, August 28-30, 2013, Lubbock, Texas. p. 9.
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Verde plant bug, Creontiades signatus (Hemiptera: Miridae) effects of insect density and bloom period of infestation on cotton damage and yield
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CaptureS and host strains of fall armyworm (Lepidoptera: Noctuidae) males in traps baited with different commerical pheromone blends
- (Peer Reviewed Journal)
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Meagher Jr, R.L., Nagoshi, R.N., Armstrong, J.S., Niogret, J., Epsky, N.D., Flanders, K.L. 2013. Capture and host strain of fall armyworm males in traps baited with different pheromone blends. Florida Entomologist. 96(3):729-740.
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Laboratory evaluations of Lepidopteran-active soybean seed treatments on survivorship of fall armyworm (Lepidoptera:Noctuidae) larvae
- (Peer Reviewed Journal)
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Thrash, B., Adamczyk Jr, J.J., Lorenz, G., Scott, A.W., Armstrong, J.S., Pfannenstiel, R.S. 2013. Laboratory evaluations of Lepidopteran-active soybean seed treatments on survivorship of fall armyworm (Lepidoptera:Noctuidae) larvae. Florida Entomologist. 96(3)724-728.
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Dietary effects of cotton tissue expressing germin like protein on beet armyworm (Lepidoptera: Noctuidae) growth, survival and pupation
- (Peer Reviewed Journal)
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Armstrong, J.S., Abdel-Mageed, H., Fokar, M., Allen, R., Adamczyk Jr, J.J. 2013. Dietary effects of cotton tissue expressing germin like protein on beet armyworm (Lepidoptera: Noctuidae) growth, survival and pupation. Florida Entomologist. 96(3):693-700.
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Single and multiple in-season measurements as indicators of at-harvest cotton boll damage caused by verde plant bug (Hemiptera: Miridae)
- (Peer Reviewed Journal)
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Brewer, M.J., Armstrong, J.S., Parker, R.D. 2013. Single and multiple in-season measurements as indicators of at-harvest cotton boll damage caused by verde plant bug (Hemiptera: Miridae). Journal of Economic Entomology. 106(3):1310-1316.
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Comparison of cotton square and boll damage and resulting lint and seed loss caused by verde plant bug, Creontiades signatus
- (Peer Reviewed Journal)
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Brewer, M.J., Anderson, D.J., Armstrong, J.S. 2012. Comparison of cotton square and boll damage and resulting lint and seed loss caused by verde plant bug, Creontiades signatus. Southwestern Entomologist. 37(4):437-447.
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Verde plant bug (Hemiptera: Miridae) feeding injury to cotton bolls charcterized by boll age, size and damage ratings
- (Peer Reviewed Journal)
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Armstrong, J.S., Brewer, M.J., Parker, R.D, Adamczyk Jr, J.J. 2013. Verde plant bug (Hemiptera: Miridae) feeding injury to cotton bolls charcterized by boll age, size and damage ratings. Journal of Economic Entomology. 106(1):189-195.
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Evaluation of a new formulation of grandlure for the boll weevil (Coleoptera: Curculionidae)
- (Peer Reviewed Journal)
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Suh, C.P., Westbrook, J.K., Boratynski, T.N., Cano Rios, P., Armstrong, J.S., Escarcega, J.A., Campos-Ruelas, C. 2013. Evaluation of a new formulation of grandlure for the boll weevil (Coleoptera: Curculionidae). Journal of Entomological Science. 48:75-78.
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Susceptibility of redbanded and conchuela stink bugs from the Texas Lower Rio Grande Valley to organophosphate and pyrethroid insecticides
- (Peer Reviewed Journal)
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Armstrong, J.S., Greenberg, S.M., Lopez, J. 2012. Susceptibility of redbanded and conchuela stink bugs from the Texas Lower Rio Grande Valley to organophosphate and pyrethroid insecticides. Subtropical Plant Science. 64:44-48.
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Association of Verde plant bug, Creontiades signatus (Hemiptera: Miridae), with cotton boll rot
- (Peer Reviewed Journal)
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Brewer, M.J., Armstrong, J.S., Medrano, E.G., Esquivel, J.F. 2012. Association of Verde plant bug, Creontiades signatus (Hemiptera: Miridae), with cotton boll rot. Journal of Cotton Science. 16(3):144-151.
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Sampling strategies for square and boll-feeding plant bugs (Hemiptera: Miridae) occurring on cotton
- (Peer Reviewed Journal)
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Brewer, M.J., Anderson, D.J., Armstrong, J.S., Villanueva, R. 2012. Sampling strategies for square and boll-feeding plant bugs (Hemiptera: Miridae) occurring on cotton. Journal of Economic Entomology. 105(3):896-905.
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Principles and practices of integrated pest management on cotton in the lower Rio Grande Valley of Texas
- (Book / Chapter)
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Adamczyk Jr, J.J., Greenberg, S.M., Armstrong, J.S. 2012. Principles and practices of integrated pest management on cotton in the lower Rio Grande Valley of Texas. In: Larramendy, Marcelo, Soloneski, Sonia, editors. Integrated Pest Management and Pest Control - Current and Future Tactics. 978-953-51-0050-8. DOI: 10.5772/31467.
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Incidense of spider mites in South Texas cotton fields
- (Proceedings)
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Villanueva, R., Michael, B., Armstrong, J.S. 2012. Incidense of spider mites in South Texas cotton fields. National Cotton Council Beltwide Cotton Conference. Paper 12815. Available: http://ncc.confex.com/ncc/2012/webprogram/Paper12815.html
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Verde plant bug associatioin with boll damage including cotton boll rot and potential in-season indicators of damage
- (Proceedings)
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Verde plant bug is associated with cottong boll rot in South Texas cotton
- (Experiment Station)
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Brewer, M., Armstrong, J.S., Villanueva, R., Biles, S., Medrano, E.G., Esquivel, J.F. 2012. Verde plant bug is associated with cottong boll rot in South Texas cotton. National Cotton Council Beltwide Cotton Conference. 13302.
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Comparison of methods for sampling plant bugs on cotton in South Texas (2010)
- (Experiment Station)
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Brewer, M., Anderson, D., Armstrong, J.S., Billanueva, R.T., Biles, S. 2012. Comparison of methods for sampling plant bugs on cotton in South Texas (2010). Agricultural Experiment Station Publication. Pg. 76.
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Detection and identification of Philephedra tuberculosa on cotton in South Texas
- (Peer Reviewed Journal)
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Esparza-Diaz, G.J., Armstrong, J.S., Villanueva, R.T. 2011. Detection and identification of Philephedra tuberculosa on cotton in South Texas. Southwestern Entomologist. 36(4):465-466.
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Detection and identification of Philephedra tuberculosa on cotton in South Texas
- (Peer Reviewed Journal)
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Esparza-Diaz, G.J., Armstrong, J.S., Villanueva, R.T. 2011. Detection and identification of Philephedra tuberculosa on cotton in South Texas. Southwestern Entomologist. 36(4):465-466.
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Toxicity of selected insecticides to onion thrips (Thysanoptera: Thripidae) using a glass-vial bioassay
- (Peer Reviewed Journal)
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Greenberg, S.M., Lopez, J., Latheef, M.A., Adamczyk Jr, J.J., Armstrong, J.S., Liu, T. 2012. Toxicity of selected insecticides to onion thrips (Thysanoptera: Thripidae) using a glass-vial bioassay. Journal of Life Sciences. 6:428-432.
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 |
Principles and practices of integrated pest management on cotton in the Lower Rio Grande Valley of Texas
- (Book / Chapter)
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Greenberg, S.M., Adamczyk Jr, J.J., Armstrong, J.S. 2012. Principles and practices of integrated pest management on cotton in the Lower Rio Grande Valley of Texas. In: Larramendy, M.L., Soloneski, S., editors. Integrated Pest Management and Pest Control - Current and Future Tactics. InTech. p. 3-34.
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Efficacy of single and dual gene cotton Gossypium hirsutum (L.) events on yellowstriped armyworm (Lepidoptera: Noctuidae) in South Texas and the Mississippi Delta
- (Peer Reviewed Journal)
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Armstrong, J.S., Gore, J., Adamczyk Jr, J.J. 2011. Efficacy of single and dual gene cotton Gossypium hirsutum (L.) events on yellowstriped armyworm (Lepidoptera: Noctuidae) in South Texas and the Mississippi Delta. Florida Entomologist. 94(3):594-598.
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Baseline susceptibility of Creontiades signatus to cotton insecticides, with emphasis on malathion
- (Peer Reviewed Journal)
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Armstrong, J.S., Coleman, R.J., Adamczyk Jr, J.J. 2011. Baseline susceptibility of Creontiades signatus to cotton insecticides, with emphasis on malathion. Southwestern Entomologist. 36(2):145-153.
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 |
Green plant bug from South Texas gets a common name - the "verde plant" bug
- (Other)
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Seasonal, sampler and time to sample variablity in sampling strategies for cotton fleahopper and a green plant bug creontiades signatus
- (Proceedings)
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Anderson, D., Brewer, M., Bloemer, M., Armstrong, J.S., Villanueva, R. 2011. Seasonal, sampler and time to sample variablity in sampling strategies for cotton fleahopper and a green plant bug creontiades signatus. National Cotton Council Beltwide Cotton Conference. 2011 Beltwide Cotton Conference Proceedings, pgs 793-798.
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Comparing in-season external and internal signs of feeding caused by sucking bugs to damage at harvest, with emphasis on creontiades signatus
- (Proceedings)
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Brewer, M., Anderson, D., Armstrong, J.S. 2011. Comparing in-season external and internal signs of feeding caused by sucking bugs to damage at harvest, with emphasis on creontiades signatus. National Cotton Council Beltwide Cotton Conference. pgs. 789 - 792.
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 |
Boll weevil (Coleoptera: Curculionidae) response to and volitilization rates of grandlure when combined with varying doses of eugenol in the extended-life pheromone lure
- (Peer Reviewed Journal)
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Armstrong, J.S. 2010. Boll weevil (Coleoptera: Curculionidae) response to and volitilization rates of grandlure when combined with varying doses of eugenol in the extended-life pheromone lure. Journal of Economic Entomology. 103(2):356-359.
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 |
Non-linear degree day models for post-diapause development of the sunflower stem weevil (Curculionidae: Coleoptera)
- (Peer Reviewed Journal)
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Merrill, S., Gebre-Anlak, A., Armstrong, J.S., Peairs, F.B. 2010. Non-linear degree day models for post-diapause development of the sunflower stem weevil (Curculionidae: Coleoptera). Journal of Economic Entomology. 103(2):302-307.
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 |
Actual and simulated injury of Creontiades signatus (Heteroptera: Miridae) feeding on cotton bolls
- (Peer Reviewed Journal)
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Armstrong, J.S., Coleman, R.J., Duggan, B.L. 2010. Actual and simulated injury of Creontiades signatus (Heteroptera: Miridae) feeding on cotton bolls. Journal of Entomological Science. 45(2):170-177.
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 |
Comparative efficacy of selected insecticide alternatives for boll weevil (Coleoptera: Curculionidae) control using laboratory bioassays
- (Peer Reviewed Journal)
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Castro, B.A., Armstrong, J.S. 2009. Comparative efficacy of selected insecticide alternatives for boll weevil (Coleoptera: Curculionidae) control using laboratory bioassays. Journal of Cotton Science. 13:189-195.
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 |
A comparison of rearing Creontiades signatus distant on green bean pods or pea plants
- (Peer Reviewed Journal)
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Armstrong, J.S. 2009. A comparison of rearing Creontiades signatus distant on green bean pods or pea plants. Journal of Entomological Science. 45(2):193-196.
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 |
Determining the relationship between boll age and green plant bug feeding injury to South Texas cotton
- (Proceedings)
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Reproductive potential of field-collected overwintering boll weevils (Coleoptera: Curculionidae) fed on pollen in the laboratory
- (Peer Reviewed Journal)
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Greenberg, S.M., Jones, G.D., Adamczyk Jr, J.J., Setamou, M., Liu, T., Armstrong, J.S., Coleman, R.J., Eischen, F.A. 2009. Reproductive potential of field-collected overwintering boll weevils (Coleoptera: Curculionidae) fed on pollen in the laboratory. Insect Science. 16(4):321-327.
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Susceptibility of the boll weevil to malathion when collected from the Lower Rio Grande Valley Texas and Delicias, Chihuahua, Mexico using the standard topical assay. Part 1: South Texas
- (Proceedings)
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Evaluations of Bollgard, Bollgard II, and Widestrike technologies against beet and fall armyworm larvae (Lepidoptera: Noctuidae)
- (Peer Reviewed Journal)
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Adamczyk Jr, J.J., Greenberg, S.M., Armstrong, J.S., Mullins, W.J., Braxton, L.B., Lassiter, R.B., Siebert, M.W. 2008. Evaluations of Bollgard, Bollgard II, and Widestrike technologies against beet and fall armyworm larvae (Lepidoptera: Noctuidae). Florida Entomologist. 91(4):531-536.
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 |
Comparisons of boll weevil (Coleoptera: Curculionidae) pheromone traps with and without kill strips
- (Peer Reviewed Journal)
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Suh, C.P., Armstrong, J.S., Spurgeon, D.W., Duke, S.E. 2009. Comparisons of boll weevil (Coleoptera: Curculionidae) pheromone traps with and without kill strips. Journal of Economic Entomology. 102:183-186.
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 |
Oviposition Patterns of Creontiades signatus (Hemiptera: Miridae) on Okra-Leaf and Normal-Leaf Cotton
- (Peer Reviewed Journal)
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Armstrong, J.S., Coleman, R.J., Setamou, M. 2009. Oviposition patterns of Creontiades signatus (Hemiptera: Miridae) on okra-Leaf and normal-Leaf cotton. Annals of the Entomological Society of America. 102:196-200.
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 |
Structure and distribution of a strain-biased tandem repeat element in fall armyworm (Lepidoptera: Noctuidae) populations in Florida, Texas, and Brazil
- (Peer Reviewed Journal)
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Nagoshi, R.N., Armstrong, J.S., Silvie, P., Meagher Jr, R.L. 2008. Structure and distribution of a strain-biased tandem repeat element in fall armyworm (Lepidoptera: Noctuidae) populations in Florida, Texas, and Brazil. Annals of the Entomological Society of America. 101:1112-1120.
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Assessing beet armyworm damage on Bt and non-Bt cottons by visual observations and remote sensing
- (Proceedings)
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Greenberg, S.M., Adamczyk Jr, J.J., Armstrong, J.S. , Yang, C. 2008. Assessing beet armyworm damage on Bt and non-Bt cottons by visual observations and remote sensing. National Cotton Council Beltwide Cotton Conference, Jan. 8-11, 2008, Nashville, TN. 2005.
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 |
Using haplotypes to monitor the migration of fall armyworm (Lepidoptera: Noctuidae) corn-strain populations from Texas and Florida
- (Abstract Only)
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Nagoshi, R.N., Meagher Jr, R.L., Flanders, K., Gore, J., Jackson, R.K., Lopez, J., Armstrong, J.S., Buntin, G.D., Sansone, C., Leonard, B.R. 2008. Using haplotypes to monitor the migration of fall armyworm (Lepidoptera: Noctuidae) corn-strain populations from Texas and Florida. Entomological Society of America Regional Meetings.
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Using haplotypes to monitor the migration of fall armyworm (Lepidoptera: Noctuidae) corn-strain populations from Texas and Florida
- (Peer Reviewed Journal)
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Nagoshi, R.N., Meagher Jr, R.L., Flanders, K., Gore, J., Jackson, R.E., Lopez, J., Armstrong, J.S., Buntin, G.D., Sansone, C., Leonard, B.R. 2008. Using haplotypes to monitor the migration of fall armyworm (Lepidoptera: Noctuidae) corn-strain populations from Texas and Florida. Journal of Economic Entomology. 101(3):742-749.
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Evaluation of extended-life pheromone formulations used with and without dichlorvos for boll weevil (Coleoptera: curculionidae) trapping
- (Peer Reviewed Journal)
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Noctuid Survivorship and Damage in Widestrike, Bollgard, and Bollgard II Cottons in the Lower Rio Grande Valley of Texas.
- (Proceedings)
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Greenberg, S.M., Adamczyk Jr, J.J., Armstrong, J.S., Coleman, R.J., Liu, T. 2007. Noctuid Survivorship and Damage in Widestrike, Bollgard, and Bollgard II Cottons in the Lower Rio Grande Valley of Texas. National Cotton Council Beltwide Cotton Conference, January 9-12, 2007, New Orleans, Louisiana. p. 316-320.
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 |
Fecundity of Boll Weevils unaltered following survival of LD50 dose of Malathion.
- (Proceedings)
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Armstrong, J.S., Greenberg, S.M., Setamou, M. 2007. Fecundity of Boll Weevils unaltered following survival of LD50 dose of Malathion. National Cotton Council Beltwide Cotton Conference, January 9-12, 2007, New Orleans, Louisiana. p. 356-360.
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Characterizing the damage and oviposition of a Creontiades plant bug to South Texas Cotton.
- (Proceedings)
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Armstrong, J.S., Coleman, R.J., Duggan, B.L. 2007. Characterizing the damage and oviposition of a Creontiades plant bug to South Texas Cotton. National Cotton Council Beltwide Cotton Conference, January 9-12, 2007, New Orleans, Louisiana. p. 34-37.
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 |
KAOLIN PARTICLE FILM ASSOCIATED WITH INCREASED COTTON APHID (HOMOPTERA: APHIDIDAE) INFESTATIONS IN COTTON
- (Peer Reviewed Journal)
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Showler, A.T., Armstrong, J.S. 2007. Kaolin particle film associated with increased cotton aphid infestations in cotton. Entomologia Experimentalis et Applicata. 124(1):55-60.
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 |
Interference of boll weevil trapping by spiders (Araneida) and an evaluation of trap modification to reduce unwanted arthropods
- (Peer Reviewed Journal)
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Armstrong, J.S., Richman, D. 2007. Interference of boll weevil trapping by spiders (Araneida) and an evaluation of trap modification to reduce unwanted arthropods. J. Entomol. Sci. 42(3):392-398.
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 |
Fall Armyworm susceptibility to Bollgard I, Bollgard II, and Widestrike cotton as determined by a leaf-dish assay.
- (Abstract Only)
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Armstrong, J.S., Adamczyk Jr, J.J., Greenberg, S.M. 2007. Fall Armyworm susceptibility to Bollgard I, Bollgard II, and Widestrike cotton as determined by a leaf-dish assay.. Entomological Society of America Proceedings.
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 |
REPRODUCTIVE POTENTIAL OF OVERWINTERING, F1, AND F2 FEMALE BOLL WEEVILS (COLEOPTERA: CURCULIONIDAE) IN THE LOWER RIO GRANDE VALLEY OF TEXAS.
- (Peer Reviewed Journal)
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Greenberg, S.M., Sappington, T.W., Setamou, M., Armstrong, J.S., Coleman, R.J., Liu, T.X. 2007. Reproductive potential of overwintering, F1, and F2 female boll weevils (Coleoptera: Curculionidae) in the Lower Rio Grande Valley of Texas. Environmental Entomology. 36(2):256-262.
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 |
CIRCADIAN RHYTHMS OF FEEDING, OVIPOSITION, AND EMERGENCE OF THE BOLL WEEVIL (COLEOPTERA: CURCULIONIDAE)
- (Peer Reviewed Journal)
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Greenberg, S.M., Armstrong, J.S., Setamou, M., Sappington, T.W., Coleman, R.J., Liu, T. 2006. Circadian rhythms of feeding, oviposition, and emergence of the boll weevil (Coleoptera: Curculionidae). Journal of Insect Science. 13(6):461-467.
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 |
STABLE ISOTOPE TRACER MARKING OF INDIVIDUAL BOLL WEEVILS
- (Peer Reviewed Journal)
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James, W.D., Showler, A.T., Westbrook, J.K., Armstrong, J.S. 2006. Stable isotope tracer marking of individual boll weevils. Journal of Radioanalytical and Nuclear Chemistry. 269(2):267-270.
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 |
SUBLETHAL EFFECTS OF MALATHION ON BOLL WEEVIL (COLEOPTERA: CURCULIONIDAE) FECUNDITY WHEN MAINTAINED ON COTTON SQUARES AND ARTIFICIAL DIET
- (Peer Reviewed Journal)
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Armstrong, J.S., Setamou, M., Showler, A.T., Greenberg, S. 2006. Sublethal effects of malathion on boll weevil (Coleoptera: Curculionidae) fecundity when maintained on cotton squares and artificial diet. Insect Science and Its Application. 13:287-292.
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 |
AN EXPERIMENT USING NEUTRON ACTIVATION ANALYSIS AND A RARE EARTH ELEMENT TO MARK COTTON PLANTS AND TWO INSECTS THAT FEED ON THEM
- (Peer Reviewed Journal)
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Showler, A.T., James, W.D., Armstrong, J.S., Westbrook, J.K. 2006. An experiment using neutron activation analysis and a rare earth element to mark cotton plants and two insects that feed on them. Applied Radiation and Isotopes. 64(8):875-880.
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IDENTIFYING THE PREDATORS THAT INTERFERE WITH BOLL WEEVIL TRAPPING AND EVALUATING LURE/INSECTICIDE COMBINATIONS
- (Proceedings)
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Armstrong, J.S., Richman, D.B. 2006. Identifying the predators that interfere with boll weevil trapping and evaluating lure/insecticide combinations. In: Proceedings of the Beltwide Cotton Conferences, January 3-6, 2006, San Antonio, Texas. 2006 CDROM.
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 |
COMPARATIVE EFFICACY OF BOLLGARD II AND NON-BT COTTON ON THE NOCTUID COMPLEX IN THE LOWER RIO GRANDE VALLEY OF TEXAS
- (Proceedings)
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Greenberg, S.M., Armstrong, J.S., Coleman, R.J., Bradford, J.M., Liu, T., Adamczyk Jr., J.J. 2006. Comparative efficacy of Bollgard II and non-bt cotton on the Noctuid Complex in the Lower Rio Grande Valley of Texas. In: Proceedings of the Beltwide Cotton Conferences, January 3-6, 2006, San Antonio, Texas. 2006 CDROM.
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 |
COMPARISONS OF STANDARD AND EXTENDED-LIFE BOLL WEEVIL PHEROMONE LURES
- (Peer Reviewed Journal)
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Armstrong, J.S., Spurgeon, D.W., Suh, C.P. 2006. Comparisons of standard and extended-life boll weevil pheromone lures. Journal of Economic Entomology. 99:323-330.
|
 |
TEMPERATURE-DEPENDENT DEVELOPMENT AND REPRODUCTION OF THE BOLL WEEVIL (COLEOPTERA: CURCULIONIDAE)
- (Peer Reviewed Journal)
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Greenberg, S.M., Setamou, M., Sappington, T.W., Coleman, R.J., Armstrong, J.S., Liu, T. 2005. Temperature-dependent development and reproduction of the boll weevil (Coleoptera: Curculionidae). Journal of Insect Science. 12:231-240.
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 |
TRAPPING COMPARISONS OF STANDARD GRANDLURE WITH THE SUPER FORMULATION FOR BOLL WEEVILS IN THE RIO GRANDE VALLEY OF TEXAS
- (Proceedings)
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Armstrong, J.S., Spurgeon, D.W., Suh, C.P. 2005. Trapping comparisons of standard grandlure with the super formulation for boll weevils in the Rio Grande Valley of Texas. In: Proceedings of the Beltwide Cotton Conferences, January 4-7, 2005, New Orleans, Louisiana. 2005 CDROM.
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 |
ARTIFICIALLY INFESTING SUNFLOWER HELIANTHUS ANNUS L. FIELD PLOTS WITH SUNFLOWER STEM WEEVIL CYLINDROCOPTURUS ADSPERSUS (LECONTE) (COLEOPTERA: CURCULIONIDAE) TO EVALUATE INSECTICIDIAL CONTROL
- (Peer Reviewed Journal)
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Armstrong, J.S., Koch, M.D., Peairs, F.B. 2004. Artificially infesting sunflower Helianthus annus L. field plots with sunflower stem weevil Cylindrocopturus adspersus (Leconte) (Coleoptera: Curculionidae) to evaluate insecticidial control. Journal of Agricultural and Urban Entomology. 21:71-74.
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