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United States Department of Agriculture

Agricultural Research Service

Maria G Rojas (Guadalupe)
Biological Control of Pests Research Unit
Research Entomologist

Phone: (662) 686-3070
Fax: (662) 686-5281
59 LEE ROAD
NBCL
STONEVILLE, MS, 38776-0067

Projects
MASS PRODUCTION OF BIOLOGICAL CONTROL AGENTS
Appropriated (D)
  Accession Number: 420598
Formulations for 2 Model Predators: A Pollen Feeding Phytoseiid Mite and Orius Insidiosus
Trust (T)
  Accession Number: 420730
Development of a Collodial Artificial Diet Based Mass Production System for Lygus lineolaris and Lygus hesperus
Trust (T)
  Accession Number: 419664

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
A modular cage system design for continuous medium to large scale in vivo-rearing of predatory mites (Acari: phytoseiidae) Reprint Icon - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2013. A modular cage system design for continuous medium to large scale in vivo-rearing of predatory mites (Acari: phytoseiidae). Psyche. http://dx.doi.org/10.1155/2014/596768.Voumne 2014.Article ID 596768, 8 pages.
Introduction Chapter: Book on Mass Production for Beneficial Organisms - (Book / Chapter) - (22-Apr-13)
Is Tetranychus urticae suitable prey for development and reproduction of the naive Coleomegilla maculata? - (Peer Reviewed Journal)
Riddick, E.W., Wu, Z., Rojas, M.G. 2013. Is Tetranychus urticae suitable prey for development and reproduction of the naive Coleomegilla maculata?. Insect Science. doi:10.1111/1744-7917.12033.
Life tables as tools of evaluation and quality control for arthropod mass production - (Book / Chapter) - (22-Mar-13)
Use of nutrient self selection as a diet refining tool in Tenebrio molitor (Coleoptera: Tenebrionidae) - (Peer Reviewed Journal)
Morales Ramos, J. A., Rojas, M. G., Shapiro Ilan, D. I., Tedders, W. L. 2013. Use of nutrient self selection as a diet refining tool in Tenebrio molitor (Coleoptera: Tenebrionidae). Bulletin of Entomological Research. 48(3):206-221.
Artificial diet development for entomophagous arthropods - (Book / Chapter) - (03-Jan-13)
Impact of Adult Weight, Density, and Age on Reproduction of Tenebrio molitor (Coleoptera: Tenebrionidae) - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G., Kay, S., Tedders, W., Shapiro Ilan, D.I. 2012. Impact of adult weight, density, and age on reproduction of Tenebrio molitor (Coleoptera: Tenebrionidae). Journal of Entomological Science. 47:208-220.
Optimization of a host diet for in vivo production of entomopathogenic nematodes - (Peer Reviewed Journal)
Shapiro Ilan, D.I., Rojas, M.G., Morales Ramos, J.A., Tedders, L.T. 2012. Optimization of a host diet for in vivo production of entomopathogenic nematodes. Journal of Nematology. 44:264-273.
Self-selection of two diet components by Tennebrio molitor (Coleoptera: Tenebrionidae) larvae and its impact on fitness - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G., Shapiro Ilan, D.I., Tedders, W.L. 2011. Self-selection of two diet components by Tennebrio molitor (Coleoptera: Tenebrionidae) larvae and its impact on fitness. Environmental Entomology. 40(50): 1285-1294.
Lima bean lady beetle interactions: spider mite mediates sublethal effects of its host plant on growth and development of its predator - (Peer Reviewed Journal)
Riddick, E.W., Rojas, M.G., Wu, Z. 2011. Lima bean lady beetle interactions: spider mite mediates sublethal effects of its host plant on growth and development of its predator. Arthropod-Plant Interactions. 5(4):287-296.
Stethorus punctillum (Coleoptera: coccinellidae) - (Book / Chapter)
Riddick, E.W., Rojas, M.G., Morales Ramos, J.A., Allen, M.L., Spencer, B. 2011. Stethorus punctillum (Coleoptera: coccinellidae). Biological Control: A Guide to Natural Enemies in North America. http://www.biocontrol.entomology.cornell.edu/predators/spunctillum.html.
Tri-trophic level Impact of Host Plant Linamarin and Lotaustralin on Tetranychus urticae (Mesostigmata: Tetranychidae) and its predator Phytoseiulus persimilis (Prostigmata: Phytoseiidae) - (Peer Reviewed Journal)
Rojas, M.G., Morales Ramos, J.A. 2010. Tri-trophic level Impact of Host Plant Linamarin and Lotaustralin on Tetranychus urticae (Mesostigmata: Tetranychidae) and its predator Phytoseiulus persimilis (Prostigmata: Phytoseiidae). Journal of Chemical Ecology. 36:1354-1362.
Ingested boric acid on the venom chemistry of Solenopsis invicta Buren (Hymenoptera: Formicidae) - (Peer Reviewed Journal)
Rojas, M.G., Morales Ramos, J.A., Chen, J. 2011. Ingested boric acid on the venom chemistry of Solenopsis invicta Buren (Hymenoptera: Formicidae). Journal of Entomological Science. 46: 89-95.
Extracted Venom and Cuticular Compounds of Imported Fire Ants, Solenopsis spp., and Chemotaxonomic Applications Across a Persistent Hybrid Zone Reprint Icon - (Peer Reviewed Journal)
Defauw, S.L., Rojas, M.G., Morales Ramos, J.A., Boykin, D.L. Extracted Venom and Cuticular Compounds of Imported Fire Ants, Solenopsis spp., and Chemotaxonomic Applications Across a Persistent Hybrid Zone. J. Entomol. Sci. 45(4): 335-352. 2010.
Some Organic Acids Acting as Stimulants of Recruitment and Feeding for the Formosan Subterranean Termite (Isoptera: Rhinotermitidae) - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2009. Some Organic Acids Acting as Stimulants of Recruitment and Feeding for the Formosan Subterranean Termite (Isoptera: Rhinotermitidae). Sociobiology. 54 (3):861-871.
Developmental plasticity in Tenebrio molitor (Coleoptera: Tenebrionidae): Analysis of Instar Variation in Number and Development Time under Different Diets - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G., Shapiro Ilan, D.I., Tedders, W.L. 2009. Developmental plasticity in Tenebrio molitor (Coleoptera: Tenebrionidae): Analysis of Instar Variation in Number and Development Time under Different Diets. J. Entomol. Sci. 45(2):75-90.
Piperideine Alkaloids from the Poison Gland of the Red Imported Fire Ant (Hymenoptera: Formicidae) Reprint Icon - (Peer Reviewed Journal)
Chen, J., Cantrell, C.L., Shang, H., Rojas, M.G. 2009. Piperideine Alkaloids from the Poison Gland of the Red Imported Fire Ant (Hymenoptera: Formicidae). Journal of Agricultural and Food Chemistry. Available: http://pubs.acs.org
Effect of Host Plant on the Chemical Composition of Tetranychus urticae (Prostigmata: Tetranychidae): Variability in Soluble Protein, Anions, and Carbohydrates. - (Peer Reviewed Journal) - (26-Dec-08)
Size and Chemical Composition of Heliothis virescens (Lepidoptera: Noctuidae) Spermatophores - (Peer Reviewed Journal)
Blanco, C. A., Rojas, M. G., Groot, A., Morales Ramos, J. A., Abel, C. A. 2009. Size and Chemical Composition of Heliothis virescens (Lepidoptera: Noctuidae) Spermatophores. Ann. Entomol. Soc. Am. 102(4): 629-637.
Cdc-1 Enclose Continuous Rearing System for Phytoseiid Mites - (Other)
Morales Ramos, J.A., Rojas, M.G. 2008. CDC-1 Enclose Continuous Rearing System for Phytoseiid Mites. Software and User Manual Public Release.
Phytoseilus persimilis (Mesostigmata: Phytoseiidae) Feeding on Extrafloral Nectar: Reproductive Impact of Sugar Sources in Presence of Prey - (Peer Reviewed Journal)
Rojas, M.G., Morales Ramos, J.A. 2008. Phytoseilus persimilis (Mesostigmata: Phytoseiidae) Feeding on Extrafloral Nectar: Reproductive Impact of Sugar Sources in Presence of Prey. Biopesticides International. 4(1): 1-5 (2008).
Uso de Cebos para el Control de la Termita de Formosa, Coptotermes formosanus, en Zonas Arboladas en la Ciudad de Nuevo Orleáns - (Proceedings)
Rojas, M.G., Morales Ramos, J.A. 2008. Uso de Cebos para el Control de la Termita de Formosa, Coptotermes formosanus, en Zonas Arboladas en la Ciudad de Nuevo Orleáns. Proceedings of V Congreso Nacional de Proteccion a la Madera. p. 35-38.
Efectos de Campos Magnéticos en las Tasas de Consumo de Madera por Coptotermes formosanus, la Termita Subterránea de Formosa. - (Proceedings)
Morales Ramos, J.A., Rojas, M.G., Solhjoo, H.H. 2008. Efectos de Campos Magnéticos en las Tasas de Consumo de Madera por Coptotermes formosanus, la Termita Subterránea de Formosa.V Congreso Nacional Proteccion a la Madera. p. 99-101.
Plant Host Effect on the Development of Heliothis virescens (F.) (Lepidoptera: noctuidae) - (Peer Reviewed Journal)
Blanco, C.A., Teran-Vargas, A.P., Abel, C.A., Portilla, M., Rojas, M.G., Morales Ramos, J.A. 2008. Plant Host Effect on the Development of Heliothis virescens (F.) (Lepidoptera: noctuidae). Environmental Entomology. 37(6):1538-1547.
Mechanized Packing and Delivery System for Entomopathogenic Nematodes in Infected Mealworm Cadavers - (Other)
Morales Ramos, J.A., Tedders, W.L., Dean, C.B., Shapiro Ilan, D.I., Rojas, M.G. 2007. Mechanized Packing and Delivery System for Entomopathogenic Nematodes in Infected Mealworm Cadavers. Software and User Manual Public Release.
Importance of Lipids for Queen Fecundity and Colony Growth of Coptotermes formosanus (Isoptera: Rhinotermitidae) - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2007. Importance of Lipids for Queen Fecundity and Colony Growth of Coptotermes formosanus (Isoptera: Rhinotermitidae). Environmental Entomology 36(5):1014-1017.
Effects of Diflubenzuron on the Peritrophic Matrix and Fat Body of Formosan Subterranean Termite (Isoptera: Rhinotermitidae) Workers - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G., Sittertz-Bhatkar, H. 2006. Effects of diflubenzuron on the peritrophic matrix and fat body of formosan subterranean termite (isoptera: rhinotermitidae) workers. Sociobiology. 47(3):667-676.
Peritrophic Matrix of the Formosan Subterranean Termite (Isoptera: Rhinotermitidae) - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G., Sittertz-Bhatkar 2006. Peritrophic matrix of the formosan subterranean termite (Isoptera: Rhinotermitidae), Florida Entomologist. 89: 99-101.
Changes in the Ratios of Four Cuticular Hydrocarbons in Formosan Subterranean Termite Workers (Coptotermes Formosanus Shiraki) Due to Diet - (Peer Reviewed Journal)
Rojas, M.G., Werle, C.T., Cottrell, N.L., Morales Ramos, J.A. 2005. Changes in the ratios of four cuticular hydrocarbons in formosan subterranean termite workers (coptotermes formosanus shiraki) due to diet. Sociobiology 46:131-140.
Growth of Young Colonies of Coptotermes Formosanus (Isoptera: Rhinotermitidae) Feeding on Single Versus Multiple Wood Species - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2005. Growth of young colonies of coptotermes formosanus (isoptera: rhinotermitidae) feeding on single versus multiple wood species. Sociobiology 46:155-173.
Testing Methods for Improving Survival of Incipient Colonies of Coptotermes Formosanus (Isoptera: Rhinotermitidae) for Laboratory Comparisons - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2005. Testing methods for improving survival of incipient colonies of coptotermes formosanus (Isoptera: Rhinotermitidae) for laboratory comparisons. Sociobiology 46(2):375-384.
Wood Consumption Rates of Coptotermes Formosanus(isoptera: Rhinotermitidae): a Three Year Study Using Groups of Workers and Soldiers - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2005. Wood consumption rates of coptotermes formosanus(isoptera: rhinotermitidae): a three - year study using groups of workers and soldiers. Sociobiology 45:707-719.
Changes in the Ratios of Four Cuticular Hydrocarbons in the Formosan Subterranean Termite (Coptotermes Formosanus) Due to Diet - (Abstract Only)
Rojas, M.G., Werle, C.T., Cottrell, N.L., Morales Ramos, J.A. 2005. Changes in the ratios of four cuticular hydrocarbons in the formosan subterranean termite (coptotermes formosanus) due to diet. Sociobiology 46(1):131-140.
Wood Consumption of Young Colonies of Coptotermes Formosanus (Isoptera: Rhinotermitidae) - (Proceedings)
Morales Ramos, J.A., Rojas, M.G. 2005. Wood consumption of young colonies of coptotermes formosanus (isoptera: rhinotermitidae). Sociobiology.
Effects of 3 Chitin Synthesis Inhibitors on Egg Viability and Survival of Coptotermes Formosanus, (Isoptera: Rhinotermitidae) Incipient Reproductive Adults - (Peer Reviewed Journal)
Rojas, M.G., Morales Ramos, J.A. 2004. Effects of 3 chitin synthesis inhibitors on egg viability and survival of coptotermes formosanus, (isoptera: rhinotermitidae) incipient reproductive adults. Annals of the Entomological Society of America.
Black-Staining Fungus Effects on the Natural Resistance Properties of Alaskan Yellow-Cedar to the Formosan Subterranean Termite (Isoptera: Rhinotermitidae) - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G., Hennon, P.E. 2003. Black-staining fungus effects on the natural resistance properties of alaskan yellow-cedar to the Formosan subterranean termite (Isoptera: Rhinotermitidae). Environmental Entomology. 32:1234-1241.
Natural Enemies and Pest Control: An Integrated Pest Management Concept - (Book / Chapter)
Morales-Ramos, J. A. and M. G. Rojas. 2003. Natural Enemies and Pest Control: An Integrated Pest Management Concept. In O. Koul and G. S. Dhaliwal [Eds.]. Predators and Parasitoids. Taylor and Francis. New York, NY. pages 17-39.
Nutritional Ecology of the Formosan Subterranean Termite Isoptera Rhinotermitidae)growth and Survival of Incipient Colonies Feeding Onpreferred Wood Species - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2003. Nutritional ecology of the formosan subterranean termite (isoptera rhinotermitidae) growth and survival of incipient colonies feeding onpreferred wood species. Journal of Economic Entomology 96:106-116.
Nutritional Ecology of the Formosan Subterranean Termite Isoptera Rhinotermitidae)growth and Survival of Incipient Colonies Feeding Onpreferred Wood Species - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2003. Nutritional ecology of the formosan subterranean termite (isoptera rhinotermitidae) growth and survival of incipient colonies feeding onpreferred wood species. Journal of Economic Entomology 96:106-116.
Nutritional Ecology of the Formosan Subterranean Termite Isoptera Rhinotermitidae)growth and Survival of Incipient Colonies Feeding Onpreferred Wood Species - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2003. Nutritional ecology of the formosan subterranean termite (isoptera rhinotermitidae) growth and survival of incipient colonies feeding onpreferred wood species. Journal of Economic Entomology 96:106-116.
Nutritional Ecology of the Formosan Subterranean Termite Isoptera Rhinotermitidae)growth and Survival of Incipient Colonies Feeding Onpreferred Wood Species - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2003. Nutritional ecology of the formosan subterranean termite (isoptera rhinotermitidae) growth and survival of incipient colonies feeding onpreferred wood species. Journal of Economic Entomology 96:106-116.
Nutritional Ecology of the Formosan Subterranean Termite (Isoptera: Rhinotermitidae): I. Feeding Preference and Deterrence - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G. 2003. Nutritional ecology of the formosan subterranean termite (isoptera: rhinotermitidae): i. feeding preference and deterrence. Journal of Economic Entomology.
A Bait Matrix for Delivery of Chitin Synthesis Inhibitors to the Formosan Subterranean Termite, Coptotermes Formosanus (Isoptera: Rhinotermitidae) - (Peer Reviewed Journal)
Rojas, M.G., Morales Ramos, J.A. 2001. A bait matrix for delivery of chitin synthesis inhibitors to the formosan subterranean termite, coptotermes formosanus (isoptera: rhinotermitidae). Ecological Entomology.
Development of An Artifical Diet for Rearing Edovum Puttleri, An Egg Parasitoid of the Colorado Potato Beetle, Leptinotarsa Decemlineata - (Abstract Only) - (10-Jul-00)
Ecdysteroid and Amino Acid Content of Eggs of the Colorado Potato Beetle, Leptinotarsa Decemlineata - (Peer Reviewed Journal) - (09-Jun-00)
Three Fungai Species Isolated from Coptotermes Formosanus Shiraki (Isoptera: Rhinotermitidae) Body, Carton Material, and Infested Wood - (Peer Reviewed Journal)
Rojas, M.G., Morales Ramos, J.A., Klich, M.A., Wright, M.S. 2001. Three fungai species isolated from coptotermes formosanus shiraki (isoptera: rhinotermitidae) body, carton material, and infested wood. Annals of the Entomological Society of America.
Symbiotic Relationship Between Hypothenemus Hampei (Coleoptera: Scolytidae) and Fusarium Solani (Moniliales: Tuberculariaceae) - (Peer Reviewed Journal)
Morales Ramos, J.A., Rojas, M.G., Sitterz-Bhatkar, H., Saldana, G. 2000. Symbiotic relationship between hypothenemus hampei (coleoptera: scolytidae) and fusarium solani (moniliales: tuberculariaceae). Annals of the Entomological Society of America.
Rearing of Ectoparasitoid Diapetimorpha Introita (Hymenoptera: Ichneumonidae) on An Artificial Diet: Supplementation with Insect Cell Line-Derived Factors - (Peer Reviewed Journal) - (04-Feb-99)
Use of a Factitious Host and Supplemented Adult Diet to Induce Oogenesis Oncatolaccus Grandis (Hymenoptera: Pteromalidae) for Field Releases - (Peer Reviewed Journal) - (25-Oct-97)
Potential Use of in Vitro-Reared Catolaccus Grandis (Hymenoptera: Pteromalidae) for Biological Control of the Boll Weevil (Coleoptera: Curculionidae) - (Peer Reviewed Journal) - (26-Sep-97)
Reduction of Cost for Mass Propagating Catolaccus Grandis by the Use of Artificial Diet - (Peer Reviewed Journal) - (10-Jan-97)
Significance of Adult Nutrition and Oviposition Experience on Longevity Andattainment of Full Fecundity of Catolaccus Grandis (Hymenoptera: Pteromalidae) - (Peer Reviewed Journal) - (12-Feb-96)
Laboratory Evaluation of First, Second, Fifth and Tenth in Vitro-Reared Generation of Catolaccus Grandis - (Proceedings) - (08-Nov-95)
Comparison of in Vivo Versus in Vitro-Reared Catolaccus Grandis in the Field - (Proceedings) - (08-Nov-95)
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Last Modified: 4/17/2014