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United States Department of Agriculture

Agricultural Research Service

Shawn Steffan
Research Entomologist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Cranberry plant and pest degree-days: August 31, 2017 - ()
Chasen, E., Steffan, S. 2017. Cranberry plant and pest degree-days: August 31, 2017. Wisconsin Fruit Newsletter. 2(11):7-8.
Pollinators and pesticides - (Abstract Only)
Steffan, S.A. 2017. Pollinators and pesticides [abstract]. North American Cranberry Research and Extension Workers Annual Meeting. Paper No. 2.
Conserving carnivorous arthropods: An example from early-season cranberry flooding - (Peer Reviewed Journal)
The USDA Cranberry Entomology Lab: Highlights from 2011-2017 - (Abstract Only)
Steffan, S. 2017. The USDA Cranberry Entomology Lab: Highlights from 2011-2017. North American Cranberry Research and Extension Workers Annual Meeting. Paper No. 2:2.
Predictive models of moth development - (Abstract Only)
Chasen, E., Steffan, S. 2017. Predictive models of moth development [abstract]. North American Cranberry Research and Extension Workers Annual Meeting. Paper No. 3:6.
Native nematodes as new bio-insecticides for cranberries - (Abstract Only)
Foye, S., Steffan, S. 2017. Native nematodes as new bio-insecticides for cranberries. North American Cranberry Research and Extension Workers Annual Meeting. Paper No. 3:5.
Progress in the mechanization of mating disruption deployment - (Abstract Only)
Eisner, N., Chasen, E., Luck, B., Steffan, S. 2017. Progress in the mechanization of mating disruption deployment. North American Cranberry Research and Extension Workers Annual Meeting. Paper No. 3:4.
Cranberry plant and pest degree-days: August 17, 2017 - ()
Chasen, E., Steffan, S. 2017. Cranberry plant and pest degree-days: August 17, 2017. Wisconsin Fruit Newsletter. 2(10):7-8.
Arthropod fauna of wild and cultivated cranberries: Preliminary surveys in Wisconsin - (Peer Reviewed Journal)
Cranberry plant and pest degree-days: August 3, 2017 - ()
Chasen, E.M., Steffan, S.A. 2017. Cranberry plant and pest degree-days: August 3, 2017. Wisconsin Fruit Newsletter. 2(9):9-10.
Cranberry plant and pest degree-days – July 25, 2017 - ()
Chasen, E., Steffan, S. 2017. Cranberry plant and pest degree-days – July 25, 2017. Cranberry Crop Management Newsletter. 30(6):1.
Cranberry plant and pest degree-days: July 20, 2017 - ()
Chasen, E., Steffan, S. 2017. Cranberry plant and pest degree-days: July 20, 2017. Wisconsin Fruit Newsletter. 2(8):7-8.
Advances in the application of amino acid nitrogen isotopic analysis in ecological and biogeochemical studies - (Peer Reviewed Journal)
Ohkouchi, N., Chikaraishi, Y., Close, H.G., Fry, B., Larsen, T., Madigan, D.J., McCarthy, M.D., McMahon, K.W., Nagata, T., Naito, Y., Steffan, S. et al. 2017. Advances in the application of amino acid nitrogen isotopic analysis in ecological and biogeochemical studies. Organic Geochemistry. https://doi.org/10.1016/j.orggeochem.2017.07.009.
Cranberry plant and pest degree days - July 10, 2017 - ()
Chasen, E., Steffan, S. 2017. Cranberry plant and pest degree days - July 10, 2017. Cranberry Crop Management Newsletter. 30(5):2.
Cranberry plant and pest degree-days: July 6, 2017 - ()
Chasen, E., Steffan, S. 2017. Cranberry plant and pest degree-days: July 6, 2017. Wisconsin Fruit Newsletter. 2(7):10-11.
Cranberry plant and pest degree-days: June 22, 2017 - ()
Chasen, E.M., Steffan, S.A. 2017. Cranberry plant and pest degree-days: June 22, 2017. Wisconsin Fruit Newsletter. 2(6):6-7.
Cranberry plant and pest degree-days - July 12, 2017 - ()
Chasen, E.M., Steffan, S.A. 2017. Cranberry plant and pest degree-days - July 12, 2017. Cranberry Crop Management Newsletter. 30(4):3.
Cranberry plant and pest degree-days: June 8, 2017 - ()
Chasen, E.M., Steffan, S.A. 2017. Cranberry plant and pest degree-days: June 8, 2017. Wisconsin Fruit Newsletter. 2(5):7-8.
Oscheius wisconsinensis n. sp. (Nematoda: Rhabditidae), a potential entomopathogenic nematode from the marshlands of Wisconsin - (Abstract Only)
Ye, W., Foye, S., Steffan, S.A. 2017. Oscheius wisconsinensis n. sp. (Nematoda: Rhabditidae), a potential entomopathogenic nematode from the marshlands of Wisconsin [abstract]. Society of Nematologists. Paper No. 8-2.
Cranberry plant and pest degree-days: May 25, 2017 - ()
Chasen, E.M., Steffan, S.A. 2017. Cranberry plant and pest degree-days: May 25, 2017. Wisconsin Fruit Newsletter. 2(4):7-8.
Linking growing degree-days and cranberry plant phenology - ()
Chasen, E., Steffan, S. 2017. Linking growing degree-days and cranberry plant phenology. Cranberry Crop Management Newsletter. 30(3):4-5.
Cranberry plant and pest degree-days – 05/24/17 - ()
Chasen, E., Steffan, S. 2017. Cranberry plant and pest degree-days – 05/24/17. Cranberry Crop Management Newsletter. 30(3):6-7.
Cranberry plant and pest degree-days: May 11, 2017 - ()
Chasen, E., Steffan, S. 2017. Cranberry plant and pest degree-days: May 11, 2017. Wisconsin Fruit Newsletter. 2(3):6-7.
Cranberry plant and pest degree-days: May 8th 2017 - ()
Chasen, E., Steffan, S. 2017. Cranberry plant and pest degree-days: May 8th 2017. Cranberry Crop Management Newsletter. 30(2):1-2.
Cranberry plant and pest degree-day update: April 26, 2017 - ()
Chasen, E., Steffan, S. 2017. Cranberry plant and pest degree-day update: April 26, 2017. Wisconsin Fruit Newsletter. 2(2):4-5.
Cranberry plant and pest degree-days in 2017 - ()
Chasen, E., Steffan, S. 2017. Cranberry plant and pest degree-days in 2017. Wisconsin Fruit Newsletter. 2(1):6-7.
Integrating microbes into food-chains: Insect trophic identity reflects rampant microbivory - (Abstract Only)
Steffan, S.A. 2017. Integrating microbes into food-chains: Insect trophic identity reflects rampant microbivory[abstract]. Institute of Arctic Biology, Life Science Hour Seminars.
Multi-species mating disruption in cranberries (Ericales: Ericaceae): Early evidence using a flowable emulsion - (Peer Reviewed Journal)
Steffan, S.A., Chasen, E.M., Deutsch, A.E., Mafra-Neto, A. 2017. Multi-species mating disruption in cranberries (Ericales:Ericaceae): Early evidence using a flowable emulsion. Journal of Insect Science. 17(2):54. doi: 10.1093/jisesa/iex025.
Unpacking brown food-webs: Animal trophic identity reflects rampant microbivory - (Peer Reviewed Journal)
Steffan, S.A., Chikaraishi, Y., Dharampal, P.S., Pauli, J.N., Guedot, C., Ohkouchi, N. 2017. Unpacking brown food-webs: Animal trophic identity reflects rampant microbivory. Ecology and Evolution. 7(10):3532-3541. doi: 10.1002/ece3.2951.
IsoBank – Stable isotope ecology in the age of ‘Big Data’ - (Abstract Only)
Hayden, B., Harrod, C., Newsome, S., Cook, J., Pauli, J., Steffan, S.A., Silva, R. 2017. IsoBank – Stable isotope ecology in the age of ‘Big Data’ [abstract]. Fisheries Society of the British Isles. p. 142.
Flight synchrony among the major moth pests of cranberries in the Upper Midwest, USA - (Peer Reviewed Journal)
Steffan, S.A., Singleton, M.E., Sojka, J., Chasen, E.M., Deutsch, A.E., Zalapa, J.E., Guedot, C. 2017. Flight synchrony among the major moth pests of cranberries in the Upper Midwest, USA. Insects. 8(1):26. doi: 10.3390/insects8010026.
Intra-trophic isotopic discrimination of 15N/14N for amino acids in autotrophs: Implications for nitrogen dynamics in ecological studies - (Peer Reviewed Journal)
Takizawa, Y., Dharampal, P.S., Steffan, S.A., Takano, Y., Ohkouchi, N., Chikaraishi, Y. 2017. Intra-trophic isotopic discrimination of 15N/14N for amino acids in autotrophs: Implications for nitrogen dynamics in ecological studies. Ecology and Evolution. 7(9):2916-2924. doi: 10.1002/ece3.2866.
Research projects lead by the USDA Cranberry Entomology Laboratory (CEL) - (Abstract Only)
Steffan, S.A. 2017. Research projects lead by the USDA Cranberry Entomology Laboratory (CEL) [abstract]. Wisconsin Cranberry Research Roundtable.
Update on SPLAT and cranberry fruitworm degree-days - (Abstract Only)
Chasen, E., Steffan, S.A. 2017. Update on SPLAT and cranberry fruitworm degree-days [abstract]. Wisconsin Cranberry School. Paper No. 8.
Opportunity to use native nematodes for pest control - (Abstract Only)
Foye, S., Steffan, S.A. 2017. Opportunity to use native nematodes for pest control [abstract]. Wisconsin Cranberry School. Paper No. 6.
Why we need a centralized repository for isotopic data - (Peer Reviewed Journal)
Pauli, J.N., Newsome, S.D., Cook, J.A., Harrod, C., Steffan, S.A., Baker, C.J. O., Ben-David, M., Bloom, D., Bowen, G.J., Cerling, T.E., Cicero, C., et al. 2017. Why we need a centralized repository for isotopic data. Proceedings of the National Academy of Sciences. 114(12):2997-3001. doi: 10.1073/pnas.1701742114.
Comparing compound-specific and bulk stable nitrogen isotope trophic discrimination factors across multiple freshwater fish species and diets - (Peer Reviewed Journal)
Blanke, C.M., Chikaraishi, Y., Takizawa, Y., Steffan, S.A., Dharampal, P.S., Vander Zanden, M.J. 2017. Comparing compound-specific and bulk stable nitrogen isotope trophic discrimination factors across multiple freshwater fish species and diets. Canadian Journal of Fisheries and Aquatic Sciences. 74(8):1291-1297. doi: 10.1139/cjfas-2016-0420.
Population densities of lepidopteran pests in selected cranberry cultivars in Wisconsin Reprint Icon - (Peer Reviewed Journal)
McMahan, E.E., Steffan, S.A., Guedot, C. 2017. Population densities of lepidopteran pests in selected cranberry cultivars in Wisconsin. Journal of Economic Entomology. 110(3):1113-1119. doi: 10.1093/jee/tow274.
Investigating a novel pathway by which pheromone-based mating disruption may protect crops - (Abstract Only)
Eisner, N., Chasen, E.M., Steffan, S.A. 2016. Investigating a novel pathway by which pheromone-based mating disruption may protect crops [abstract]. Plant Science Symposium.
Cranberry degree-day map and update: as of September 14, 2016 - ()
Chasen, E., Steffan, S. 2016. Cranberry degree-day map and update: as of September 14, 2016. Wisconsin Fruit Newsletter. 1(12):4-5.
Cranberry degree-day map and update: as of September 30, 2016 - ()
Chasen, E., Steffan, S. 2016. Cranberry degree-day map and update: as of September 30, 2016. Wisconsin Fruit Newsletter. 1(13):8-9.
Microbes are trophic analogues of arthropods, mammals, and fish: Isotopic fingerprinting unites ‘green’ and ‘brown’ food webs - (Abstract Only)
Steffan, S., Chikaraishi, Y., Dharampal, P., Currie, C., Horn, H., Pauli, J. 2016. Microbes are trophic analogues of arthropods, mammals, and fish: Isotopic fingerprinting unites ‘green’ and ‘brown’ food webs [abstract]. International Congress of Entomology. Paper No. 2757.
New data on flea beetle management in cranberry - ()
Foye, S., Chasen, E.M., Steffan, S.A. 2016. New data on flea beetle management in cranberry. Cranberry Crop Management Newsletter. 29(9):2-3.
Cranberry degree-day map and update: as of September 1, 2016 - ()
Chasen, E., Steffan, S. 2016. Cranberry degree-day map and update: as of September 1, 2016. Wisconsin Fruit Newsletter. 1(11):6-7.
Cranberry degree-day map and update: as of August 17, 2016 - ()
Chasen, E., Steffan, S. 2016. Cranberry degree-day map and update: as of August 17, 2016. Wisconsin Fruit Newsletter. 1(10):7-8.
Cranberry degree-day map and update: as of August 8, 2016 - ()
Chasen, E., Steffan, S. 2016. Cranberry degree-day map and update: as of August 8, 2016. Cranberry Crop Management Newsletter. XXXIX(VIII):1-2.
Cranberry degree-day map and update: as of August 3, 2016 - ()
Chasen, E., Steffan, S. 2016. Cranberry degree-day map and update: as of August 3, 2016. Wisconsin Fruit Newsletter. 1(9):6-7.
Cranberry degree-day map and update: as of July 20, 2016 - ()
Chasen, E.M., Steffan, S.A. 2016. Cranberry degree-day map and update: as of July 20, 2016. Wisconsin Fruit Newsletter. 1(8):8-9.
Cranberry degree-day map and update: as of July 6, 2016 - ()
Chasen, E.M., Steffan, S.A. 2016. Cranberry degree-day map and update: as of July 6, 2016. Wisconsin Fruit Newsletter. 1(7):5-6.
Cranberry degree-day map and update: as of June 22, 2016 - ()
Chasen, E.M., Steffan, S.A. 2016. Cranberry degree-day map and update: as of June 22, 2016. Wisconsin Fruit Newsletter. 1(6):7-8.
Cranberry degree-day map and update: as of June 15, 2016 - ()
Chasen, E.M., Steffan, S.A. 2016. Cranberry degree-day map and update: as of June 15, 2016. Cranberry Crop Management Newsletter. XXIX(V):5.
Cranberry degree-day map and update: as of June 8, 2016 - ()
Chasen, E.M., Steffan, S.A. 2016. Cranberry degree-day map and update: as of June 8, 2016. Wisconsin Fruit Newsletter. 1(5):6-7.
Upcoming degree-day benchmarks for Sparganothis and Cranberry degree-day map: as of May 25, 2016 - ()
Chasen, E.M., Steffan, S.A. 2016. Upcoming degree-day benchmarks for Sparganothis and Cranberry degree-day map: as of May 25, 2016. Cranberry Crop Management Newsletter. XXIX(IV):1-2.
Upcoming degree-day benchmarks for Sparganothis and Cranberry degree-day map: as of May 25, 2016 - ()
Chasen, E.M., Steffan, S.A. 2016. Upcoming degree-day benchmarks for Sparganothis and Cranberry degree-day map: as of May 25, 2016. Wisconsin Fruit Newsletter. 1(4):8-10.
Exploiting genotyping by sequencing to characterize the genomic structure of the American cranberry through high-density linkage mapping Reprint Icon - (Peer Reviewed Journal)
Covarrubias-Pazaran, G., Diaz-Garcia, L., Schlautman, B., Deutsch, J., Salazar, W., Hernandez-Ochoa, M., Grygleski, E., Steffan, S., Iorizzo, M., Polashock, J.J., Vorsa, N., Zalapa, J. 2016. Exploiting genotyping by sequencing to characterize the genomic structure of the American cranberry through high-density linkage mapping. Biomed Central (BMC) Genomics. 17(1):451. doi: 10.1186/s12864-016-2802-3.
Native bees, microbes, and fungicides: Investigations of the mechanism(s) by which fungicides compromise bee health - (Peer Reviewed Journal)
Cranberry degree-day map and update: as of May 12, 2016 - ()
Chasen, E.M., Steffan, S.A. 2016. Cranberry degree-day map and update: as of May 12, 2016. Wisconsin Fruit Newsletter. 1(3):6.
Temperature-mediated growth thresholds of Acrobasis vaccinii (Lepidoptera: Pyralidae) - (Peer Reviewed Journal)
Chasen, E.M., Steffan, S.A. 2016. Temperature-mediated growth thresholds of Acrobasis vaccinii (Lepidoptera: Pyralidae). Environmental Entomology. 45(3):732-736. doi: 10.1093/ee/nvw053.
Using plant volatile traps to estimate the diversity of natural enemy communities in orchard ecosystems Reprint Icon - (Peer Reviewed Journal)
Mills, N.J., Jones, V.P., Baker, C.C., Melton, T.D., Steffan, S.A., Unruh, T.R., Horton, D.R., Shearer, P.W., Amarasekare, K.G., Miliczky, E. 2016. Using plant volatile traps to estimate the diversity of natural enemy communities in orchard ecosystems. Biological Control. 102:66-76. doi: 10.1016/j.biocontrol.2016.05.001.
Discovery and virulence-screening of native nematodes in Wisconsin cranberries - (Proceedings)
Foye, S., Steffan, S.A. 2016. Discovery and virulence-screening of native nematodes in Wisconsin cranberries. Wisconsin Cranberry School. Paper No. 10.
A synthesis of recent research regarding the spring flood in Wisconsin: Knowns and unknowns - (Proceedings)
Van Zoeren, J., Steffan, S.A. 2016. A synthesis of recent research regarding the spring flood in Wisconsin: Knowns and unknowns. Wisconsin Cranberry School. Paper No. 11.
Using degree-days to maximize your pest management tool box - (Proceedings)
Chasen, E.M., Steffan, S.A. 2016. Using degree-days to maximize your pest management tool box. Wisconsin Cranberry School. Paper No. 8.
Discriminating power of microsatellites in cranberry organelles for taxonomic studies in Vaccinium and Ericaceae - (Peer Reviewed Journal)
Schlautman, B., Covarrubias-Pazaran, G., Fajardo, D., Steffan, S., Zalapa, J. 2016. Discriminating power of microsatellites in cranberry organelles for taxonomic studies in Vaccinium and Ericaceae. Genetic Resources and Crop Evolution. 64(3):451-466. doi: 10.1007/s10722-016-0371-6.
USDA Cranberry Entomology Laboratory (CEL) research priorities in the 2016 growing season - (Abstract Only)
Steffan, S.A. 2015. USDA Cranberry Entomology Laboratory (CEL) research priorities in the 2016 growing season [abstract]. Wisconsin State Cranberry Growers Association.
Unmanned aerial vehicles (UAVs) in pest management: Progress in the development of a UAV-deployed mating disruption system for Wisconsin cranberries - ()
Steffan, S., Luck, B. 2015. Unmanned aerial vehicles (UAVs) in pest management: Progress in the development of a UAV-deployed mating disruption system for Wisconsin cranberries. Cranberry Crop Management Newsletter. XXVIII(X):1-2.
Microbes are trophic analogs of animals Reprint Icon - (Peer Reviewed Journal)
Steffan, S.A., Chikaraishi, Y., Currie, C.R., Horn, H., Gaines Day, H.R., Pauli, J.N., Zalapa, J.E., Ohkouchi, N. 2015. Microbes are trophic analogs of animals. Proceedings of the National Academy of Sciences. 112(49):15119-15124. doi: 10.1073/pnas.1508782112.
Unification of the macro- and microbiome in trophic ecology - (Abstract Only)
Steffan, S. 2015. Unification of the macro- and microbiome in trophic ecology [abstract]. Mini-Workshop on Compound Specific Isotope Analysis of Amino Acids. Paper No. 3.
Unmanned aerial vehicles (UAVs) in pest management: Progress in the development of a UAV-deployed mating disruption system for Wisconsin cranberries - ()
Steffan, S., Luck, B. 2015. Unmanned aerial vehicles (UAVs) in pest management: Progress in the development of a UAV-deployed mating disruption system for Wisconsin cranberries. Cranberry Crop Management Newsletter. 28(10):1-2.
Newly discovered bio-control agents kill Sparganothis and cranberry fruitworm: Preliminary data on native nematode species - ()
Foye, S., Steffan, S. 2015. Newly discovered bio-control agents kill Sparganothis and cranberry fruitworm: Preliminary data on native nematode species. Cranberry Crop Management Newsletter. 28(9):102.
Response to Pilaar Burch and Graham Reprint Icon - ()
Pauli, J.N., Steffan, S.A., Newsome, S.D. 2015. Response to Pilaar Birch and Graham. Bioscience. 65(10):953-954. doi: 10.1093/biosci/biv134.
Bringing novel semiochemical formulations to the market - (Abstract Only)
Mafra-Neto, A., Fettig, C., Munson, S., Faleiro, R., Ben Abdallah, A., Rodiguez-Saona, C., Peixoto, M., Holdcraft, R., Bernardi, C., Urrutia, W., Steffan, S. et al. 2015. Bringing novel semiochemical formulations to the market [abstract]. Asia-Pacific Association of Chemical Ecology. Paper No. 0061.
Development of a high-density cranberry SSR linkage map for comparative genetic analysis and trait detection Reprint Icon - (Peer Reviewed Journal)
Schlautman, B., Covarrubias-Pazaran, G., Diaz-Garcia, L.A., Johnson-Cicalese, J., Iorrizo, M., Rodriguez-Bonilla, L., Bougie, T., Bougie, T., Wiesman, E., Steffan, S., Polashock, J., Vorsa, N., Zalapa, J. 2015. Development of a high-density cranberry SSR linkage map for comparative genetic analysis and trait detection. Molecular Breeding. 35(8):177. doi: 10.1007/s11032-015-0367-5.
Beneficial or not? Decoding carnivore roles in plant protection Reprint Icon - (Peer Reviewed Journal)
Steffan, S.A., Chikaraishi, Y., Horton, D.R., Miliczky, E., Zalapa, J.E., Jones, V.P., Ohkouchi, N. 2015. Beneficial or not? Decoding carnivore roles in plant protection. Biological Control. 91:34-41. doi: 10.1016/j.biocontrol.2015.07.002.
Early-season flood enhances native biological control agents in Wisconsin cranberry - (Abstract Only)
Van Zoeren, J., Steffan, S. 2015. Early-season flood enhances native biological control agents in Wisconsin cranberry [abstract]. Entomology Society America Annual Meeting. Paper No. 0862.
Cultural and chemical pest control methods alter habitat suitability for biological control agents: An example from Wisconsin commercial cranberry - (Abstract Only)
Van Zoeren, J., Steffan, S., Chasen, E.M. 2015. Cultural and chemical pest control methods alter habitat suitability for biological control agents: An example from Wisconsin commercial cranberry [abstract]. Entomological Society of America Annual Meeting. Paper No. D3114.
Colonies of bumble bees (Bombus impatiens) produce fewer workers, less bee biomass, and have smaller mother queens following fungicide exposure Reprint Icon - (Peer Reviewed Journal)
Bernauer, O.M., Gaines-Day, H.R., Steffan, S.A. 2015. Colonies of bumble bees (Bombus impatiens) produce fewer workers, less bee biomass, and have smaller mother queens following fungicide exposure. Insects. 6(2):478-488.
Sparganothis fruitworm degree-day benchmarks provide key treatmen timings for cranberry IPM - ()
Steffan, S.A., Deutsch, A. 2015. Sparganothis fruitworm degree-day benchmarks provide key treatmen timings for cranberry IPM. Cranberry Crop Management Newsletter. XXVIII(1):1-2.
Growing degree day calculator - (Abstract Only)
Van Zoeren, J., Steffan, S.A. 2015. Growing degree day calculator [abstract]. Wisconsin State Cranberry Growers Association. Paper No. 3.
Diet quality influences isotopic discrimination among amino acids in an aquatic vertebrate Reprint Icon - (Peer Reviewed Journal)
Chikaraishi, Y., Steffan, S.A., Takano, Y., Ohkouchi, N. 2015. Diet quality influences isotopic discrimination among amino acids in an aquatic vertebrate. Ecology and Evolution. 5(10):2048-2059.
Evaluating plant volatiles for monitoring natural enemies in apple, pear and walnut orchards Reprint Icon - (Peer Reviewed Journal)
Jones, V.P., Horton, D.R., Mills, N.J., Unruh, T.R., Baker, C.C., Melton, T.D., Miliczky, E., Steffan, S.A., Shearer, P.W., Amarasekare, K.G. 2015. Evaluating plant volatiles for monitoring natural enemies in apple, pear and walnut orchards. Biological Control. 102:53-65. doi: 10.1016/j.biocontrol.2015.03.009.
From planning to execution to the future: An overview of a concerted effort to enhance biological control in apple, pear, and walnut orchards in the western U.S. Reprint Icon - (Peer Reviewed Journal)
Jones, V.P., Mills, N.J., Brunner, J.F., Horton, D.R., Beers, E.H., Unruh, T.R., Shearer, P.W., Goldberger, J.R., Castagnoli, S., Lehrer, N., Miliczky, E., Steffan, S.A., Amarasakare, K.G., Chambers, U., et al. 2016. From planning to execution to the future: An overview of a concerted effort to enhance biological control in apple, pear, and walnut orchards in the western U.S. Biological Control. 102:1-6. doi: 10.1016/j.biocontrol.2016.03.013.
Toxicity of chelated iron (Fe-DTPA) in American cranberry Reprint Icon - (Peer Reviewed Journal)
Siebach, S., Zalapa, J., Covarrubias-Pazaran, G., Harbut, R., Workmaster, B., Wasko DeVetter, L., Steffan, S., Guedot, C., Atucha, A. 2015. Toxicity of chelated iron (Fe-DTPA) in American cranberry. Journal of Horticulture. 2:129. DOI:10.4172/2376-0354.1000128.
Development and validation of 697 novel polymorphic genomic and EST-SSR Markers in the American cranberry (Vaccinium macrocarpon Ait.) Reprint Icon - (Peer Reviewed Journal)
Schlautman, B., Fajardo, D., Bougie, T., Wiesman, E., Polashock, J., Vorsa, N., Steffan, S., Zalapa, J. 2015. Development and validation of 697 novel polymorphic genomic and EST-SSR Markers in the American cranberry (Vaccinium macrocarpon Ait.). Molecules. 20(2):2001-2013.
It is time for IsoBank Reprint Icon - (Peer Reviewed Journal)
Pauli, J.N., Steffan, S.A., Newsome, S.D. 2015. It is time for IsoBank. Bioscience. 65(3):229-230.
Trophic cascades in a cranberry marsh: Can detritus-removal improve biological control - (Abstract Only)
Van Zoeren, J., Steffan, S.A. 2015. Trophic cascades in a cranberry marsh: Can detritus-removal improve biological control [abstract]. Wisconsin Ecology Annual Spring Symposium. Paper No. 8.
Multi-species pheromone-based mating disruption: Moth birth control in cranberries - (Abstract Only)
Steffan, S.A., Chasen, E.M. 2015. Multi-species pheromone-based mating disruption: Moth birth control in cranberries [abstract]. Wisconsin State Cranberry Growers Association. Paper No. SA-9.
Carnivorous arthropods after spring flood - (Abstract Only)
Van Zoeren, J., Steffan, S.A. 2015. Carnivorous arthropods after spring flood [abstract]. Wisconsin State Cranberry Growers Association. Paper No. SA-7.
Citizen science: Plant and insect phenology with regards to degree-days - (Abstract Only)
Chasen, E.M., Steffan, S.A. 2015. Citizen science: Plant and insect phenology with regards to degree-days [abstract]. Wisconsin State Cranberry Growers Association. Paper No. SA-3.
Do fungicide applications affect bee fidelity to cranberries - (Abstract Only)
Gaines-Day, H., Bernauer, O., Steffan, S.A. 2015. Do fungicide applications affect bee fidelity to cranberries [abstract]. Wisconsin State Cranberry Growers Association. Paper No. SA-8.
Temperature-mediated development thresholds of Sparganothis sulfureana (Lepidoptera: Tortricidae) in cranberries Reprint Icon - (Peer Reviewed Journal)
Deutsch, A.E., Rodriguez-Saona, C.R., Zalapa, J.E., Steffan, S.A. 2015. Temperature-mediated development thresholds of Sparganothis sulfureana (Lepidoptera: Tortricidae) in cranberries. Environmental Entomology. 44(2):400-405.
Clonal diversity and genetic differentiation revealed by SSR markers in wild Vaccinium macrocarpon and Vaccinium oxycoccos Reprint Icon - (Peer Reviewed Journal)
Zalapa, J.E., Bougie, T.C., Bougie, T.A., Schlautman, B.J., Wiesman, E., Guzman, A., Fajardo, D.A., Steffan, S., Smith, T. 2014. Clonal diversity and genetic differentiation revealed by SSR markers in wild Vaccinium macrocarpon and Vaccinium oxycoccos. Annals of Applied Biology. 166(2):196-207.
Degree-day benchmarks for Sparganothis sulfureana (Lepidoptera: Tortricidae) development in cranberries Reprint Icon - (Peer Reviewed Journal)
Deutsch, A.E., Rodriguez-Saona, C.R, Kyryczenko-Roth, V., Sojka, J., Zalapa, J.E., Steffan, S.A. 2014. Degree-day benchmarks for Sparganothis sulfureana (Lepidoptera: Tortricidae) development in cranberries. Journal of Economic Entomology. 107(6):2130-2136.
A phenology model for Sparganothis fruitworm in Cranberries - (Abstract Only)
Steffan, S.A., Deutsch, A., Rodriguez-Saona, C., Zalapa, J.E., Kyryczenko-Roth, V. 2014. A phenology model for Sparganothis fruitworm in Cranberries. American Cranberry Growers Association.
Strong evidence of mating disruption despite heavy fruitworm pressure - ()
Steffan, S.A., Chasen, E.M., Zalapa, J.E. 2014. Strong evidence of mating disruption despite heavy fruitworm pressure. Cranberry Crop Management Newsletter. XXVII(6):4-8.
When and how long to flood for insect control - ()
Steffan, S.A., Singleton, M., Zalapa, J.E. 2014. When and how long to flood for insect control. Cranberry Crop Management Newsletter. XXVII(3):1-5.
Beneficial or not? Carnivore trophic position under the lens of amino acid isotopic analysis - (Abstract Only)
Steffan, S.A., Chikaraishi, Y., Horton, D.R., Miliczky, E., Zalapa, J.E., Jones, V., Ohkouchi, N. 2014. Beneficial or not? Carnivore trophic position under the lens of amino acid isotopic analysis [abstract]. Entomological Society of America Annual Meeting. Paper No. 1420.
Citizen science project to correlate growing degree days with cranberry phenology - ()
Chasen, E.M., Steffan, S.A. 2014. Citizen science project to correlate growing degree days with cranberry phenology. Wisconsin State Cranberry Growers Association. XXVII(1):2.
High-resolution food webs based on nitrogen isotopic composition of amino acids Reprint Icon - (Peer Reviewed Journal)
Chikaraishi, Y., Steffan, S.A., Ogawa, N.O., Ishikawa, N.F., Sasaki, Y., Tsuchiya, M., Ohkouchi, N. 2014. High-resolution food webs based on nitrogen isotopic composition of amino acids. Ecology and Evolution. 4(12):2423-2449.
Creation of citizen science project to correlate growing degree days with cranberry phenology - ()
Chasen, E.M., Steffan, S.A. 2014. Creation of citizen science project to correlate growing degree days with cranberry phenology. Cranberry Crop Management Newsletter. XXVII(1):2.
Trophic spectra under the lens of amino acid isotopic analysis - (Abstract Only)
Steffan, S.A., Chikaraishi, Y., Horton, D.R., Miliczky, E., Zalapa, J.E., Jones, V., Ohkouchi, N. 2014. Trophic spectra under the lens of amino acid isotopic analysis [abstract]. Entomological Society of America Annual Meeting North Central Branch.
Pheromone-based mating disruption in Wisconsin cranberries - (Abstract Only)
Deutsch, A., Mafra-Neto, A., Sojka, J., Dittl, T., Zalapa, J.E., Steffan, S.A. 2014. Pheromone-based mating disruption in Wisconsin cranberries [abstract]. Wisconsin State Cranberry Growers Association.
A syndrome of mutualism reinforces the lifestyle of a sloth Reprint Icon - (Peer Reviewed Journal)
Pauli, J., Mendoza, J., Steffan, S.A., Carey, C.C., Weimer, P.J., Peery, Z. 2014. A syndrome of mutualism reinforces the lifestyle of a sloth. Proceedings of the Royal Society B. 281:20133006.
The American cranberry mitochondrial genome reveals the presence of selenocysteine (tRNA-Sec and SECIS) insertion machinery in land plants Reprint Icon - (Peer Reviewed Journal)
Fajardo, D., Schlautman, B., Steffan, S.A., Polashock, J.J., Vorsa, N., Zalapa, J.E. 2014. The American cranberry mitochondrial genome reveals the presence of selenocysteine (tRNA-Sec and SECIS) insertion machinery in land plants. Gene. 536(2):336-343.
Susceptibility of cranberries to Drosophila suzukii (Diptera: Drosophilidae) Reprint Icon - (Peer Reviewed Journal)
Steffan, S.A., Lee, J.C., Singleton, M., Vilaire, A., Walsh, D., Lavine, L., Patten, K. 2013. Susceptibility of cranberries to Drosophila suzukii (Diptera: Drosophilidae). Journal of Economic Entomology. 106(6):2424-2427.
Trophic hierarchies illuminated via amino acid isotopic analysis Reprint Icon - (Peer Reviewed Journal)
Steffan, S.A., Chikaraishi, Y., Horton, D.R., Ohkouchi, N., Singleton, M., Hogg, D.B., Miliczky, E., Jones, V. 2013. Trophic hierarchies illuminated via amino acid isotopic analysis. PLoS One. 8(9):e76152. Available: http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0076152.
Amino acid isotopic analysis in agricultural systems - (Abstract Only)
Steffan, S.A., Chikaraishi, Y. 2013. Amino acid isotopic analysis in agricultural systems [abstract]. National Meeting of Entomological Society Of America. Paper No. 1435.
Multi-species mating disruption in Wisconsin cranberries - (Abstract Only)
Deutsch, A., Sojka, J., Dittl, T., Mafra-Neto, A., Zalapa, J.E., Steffan, S.A. 2013. Multi-species mating disruption in Wisconsin cranberries [abstract]. National Meeting of Entomological Society Of America. Paper No. 0711.
Sparganothis fruitworm biology and phenology - (Abstract Only)
Steffan, S.A., Deutsch, A., Kyryczenko-Roth, V., Rodriguez-Saona, C., Zalapa, J.E. 2013. Sparganothis fruitworm biology and phenology [abstract]. North American Cranberry Research and Extension Workers Annual Meeting. p. 2.
Multi-species mating disruption in cranberries - (Abstract Only)
Deutsch, A., Sojka, J., Dittl, T., Mafra-Neto, A., Zalapa, J.E., Steffan, S.A. 2013. Multi-species mating disruption in cranberries [abstract]. North American Cranberry Research and Extension Workers Annual Meeting. p. 2.
Stage-specific development of Sparganothis sulfureana (Lepidoptera: Tortricidae) - (Abstract Only)
Deutsch, A., Kyryczenko-Roth, V., Rodriguez-Saona, C., Zalapa, J.E., Steffan, S.A. 2013. Stage-specific development of Sparganothis sulfureana (Lepidoptera: Tortricidae) [abstract]. North American Cranberry Research and Extension Workers Annual Meeting. p. 1.
Trophic hierarchies revealed via amino acid isotopic analysis - (Abstract Only)
Steffan, S.A., Chikaraishi, Y., Horton, D.R., Ohkouchi, N. 2013. Trophic hierarchies revealed via amino acid isotopic analysis [abstract]. Ecological Society of America (ESA). Paper No. COS 59-2.
Grazing food web view from compound-specific stable isotope analysis of amino acids - (Abstract Only)
Chikaraishi, Y., Steffan, S.A., Ohkouchi, N. 2013. Grazing food web view from compound-specific stable isotope analysis of amino acids [abstract]. Ecological Society of America (ESA). Paper No. COS 59-3.
Spotted Wing Drosophila, Sparganothis phenology and a new look at the BugFloods - (Proceedings)
Steffan, S.A., Lee, J.C., Deutsch, A., Singleton, M., Rodriguez-Saona, C., Zalapa, J.E. 2013. Spotted Wing Drosophila, Sparganothis phenology and a new look at the BugFloods. Wisconsin Cranberry School. 21:1-6.
Sparganothis fruitworm phenology - (Abstract Only)
Steffan, S.A., Rodriguez-Saona, C., Deutsch, A., Kyryczenko-Roth, V. 2013. Sparganothis fruitworm phenology [abstract]. American Cranberry Growers Association. Paper No. 11.
Targeting red-headed flea beetle larvae - (Proceedings)
Bosak, E.J., Perry, J., Sojka, J., Dittl, T., Steffan, S.A. 2013. Targeting red-headed flea beetle larvae. Wisconsin Cranberry School. 21:7-13.
The volatilization of SPLAT® for use in pheromone mating disruption of cranberry pests - (Abstract Only)
Volk, K., Deutsch, A., Steffan, S.A. 2013. The volatilization of SPLAT® for use in pheromone mating disruption of cranberry pests [abstract]. Introductory Biology 152 Undergraduate Research.
Pheromone-based mating disruption to control the historical top three insect pests of Wisconsin cranberries - (Proceedings)
Deutsch, A., Sojka, J., Dittl, T., Mafra-Neto, A., Steffan, S.A. 2013. Pheromone mating disruption. Wisconsin Cranberry School. 21:14-16.
Cranberries and Spotted Wing Drosophila (SWD) in Wisconsin - ()
Steffan, S.A., Lee, J.C., Lavine, L., Walsh, D., Metzger, C., Zalapa, J.E., Guedot, C., Pellitteri, P. 2012. Cranberries and Spotted Wing Drosophila (SWD) in Wisconsin. Wisconsin State Cranberry Growers Association. XXIII(11):13.
Complete plastid genome sequence of Vaccinium macrocarpon: structure, gene content and rearrangements revealed by next generation sequencing Reprint Icon - (Peer Reviewed Journal)
Fajardo, D., Senalik, D.A., Ames, M., Zhu, H., Steffan, S.A., Harbut, R., Polashock, J.J., Vorsa, N., Gillespie, E., Kron, K., Zalapa, J.E. 2013. Complete plastid genome sequence of Vaccinium macrocarpon: structure, gene content and rearrangements revealed by next generation sequencing. Tree Genetics and Genomes. 9(2):489-498.
Flooding as “spring cleaning” for insect pests - (Proceedings)
Steffan, S.A., Singleton, M., Sojka, J., Zalapa, J.E., Dittl, T. 2012. Flooding as “spring cleaning” for insect pests. Wisconsin State Cranberry Growers Association. p. 32-34.
The record-breaking 2012 spring: Why degree-days were critical in assessing insect and plant development - (Proceedings)
Steffan, S.A., Singleton, M., Deutsch, A., Bosak, L., Zalapa, J.E. 2012. The record-breaking 2012 spring: Why degree-days were critical in assessing insect and plant development. Wisconsin State Cranberry Growers Association. p. 29-31.
Removal of arthropods in the spring “trash floods” - ()
Steffan, S.A., Singleton, M., Sojka, J., Zalapa, J.E. 2012. Removal of arthropods in the spring “trash floods”. Wisconsin State Cranberry Growers Association. XXV(7):3-4.
The warm winter and spring of 2012: Why degree-days were critical in measuring insect and plant development - ()
Steffan, S.A., Singleton, M., Deutsch, A., Bosak, L., Zalapa, J.E. 2012. The warm winter and spring of 2012: Why degree-days were critical in measuring insect and plant development. Wisconsin State Cranberry Growers Association. XXV(7):1-2.
Discrimination of American cranberry cultivars and assessment of clonal heterogeneity using microsatellite markers Reprint Icon - (Peer Reviewed Journal)
Fajardo, D., Morales, J., Zhu, H., Steffan, S.A., Harbut, R., Bassil, N.V., Hummer, K.E., Polashock, J.J., Vorsa, N., Zalapa, J.E. 2012. Discrimination of American cranberry cultivars and assessment of clonal heterogeneity using microsatellite markers. Plant Molecular Biology Reporter. 31(2):264-271.
Ongoing research and insecticide trials for cranberry pests - (Abstract Only)
Rodriguez-Saona, C., Steffan, S.A., Kyryczenko-Rothvera, V., Holdcraft, R. 2012. Ongoing research and insecticide trials for cranberry pests [abstract]. American Cranberry Growers Assn 2012 Summer Field Day. Paper No. 19.
Niche engineering reveals complementary resource use - (Peer Reviewed Journal)
Gable, J., Crowder, D., Northfield, T., Steffan, S.A., Snyder, W. 2012. Niche engineering reveals complementary resource use. Ecology. 93(9):1994-2000.
Niche engineering reveals complementary resource use - (Abstract Only)
Gable, J., Crowder, D., Northfield, T., Steffan, S.A., Snyder, W. 2012. Niche engineering reveals complementary resource use [abstract]. Ecological Society of America (ESA). Paper No. COS166.
Rapid reconstruction and annotation of vaccinium macrocarpon organellar genomes - (Abstract Only)
Steffan, S.A., Senalik, D.A., Polashock, J.J., Vorsa, N., Fajardo, D., Harbut, R., Zalapa, J.E. 2012. Rapid reconstruction and annotation of vaccinium macrocarpon organellar genomes [abstract]. Botany 2012 - The Next Generation. Paper. No. 1043.
Bottle biology: Making cranberry cutting tubbe necklaces - (Abstract Only)
Zalapa, J.E., Gustin, E.S., Steffan, S.A., Harbut, R., Bryan, T., Fajardo, D., Williams, P., Trumble, H. 2012. Bottle biology: Making cranberry cutting tubbe necklaces [abstract]. Botany 2012 - The Next Generation. Paper No. 1059.
Use of plant volatiles to reconcile biological and chemical controls - (Abstract Only)
Steffan, S.A. 2012. Use of plant volatiles to reconcile biological and chemical controls [abstract]. Wisconsin Fresh Fruit & Vegetable Conference.
Early-season flooding for insect pest control - (Proceedings)
Steffan, S.A., Singleton, M., Sojka, J., Zalapa, J.E., Harbut, R. 2012. Early-season flooding for insect pest control. Wisconsin Cranberry School 2012 Proceedings. 20:24-28.
In silico analysis of 454 data yields the complete American cranberry (Vaccinium macrocarpon Ait.) plastid genome - (Abstract Only)
Zalapa, J.E., Steffan, S.A., Simon, P.W., Senalik, D.A., Polashock, J.J., Vorsa, N., Fajardo, D., Harbut, R., Zhu, H., Mccown, B., Zeldin, E. 2012. In silico analysis of 454 data yields the complete American cranberry (Vaccinium macrocarpon Ait.) plastid genome [abstract]. Plant and Animal Genome Conference. Paper No. P0047.
Trophic spectra reveal the community structure of a terrestrial system - (Abstract Only)
Steffan, S.A., Chikaraishi, Y., Bosak, E., Horton, D.R., Ohokouchi, N., Jones, V. 2012. Trophic spectra reveal the community structure of a terrestrial system [abstract]. 2012 Ocean Sciences Meeting. Paper No. AO323.
Progress towards the complete American cranberry (Vaccinium macrocarpon Ait.) plastid genome - (Abstract Only)
Zalapa, J.E., Steffan, S.A., Simon, P.W., Senalik, D.A., Polashock, J.J., Vorsa, N., Diego, F., Harbut, R., Zhu, H. 2011. Progress towards the complete American cranberry (Vaccinium macrocarpon Ait.) plastid genome [abstract]. Plant Sciences Symposium.
Using next generation sequencing approaches for the isolation of simple sequence repeats (SSF) in the plant sciences - (Peer Reviewed Journal)
Zalapa, J.E., Cuevas, H.E., Steffan, S.A., Simon, P.W., Senalik, D.A., Zhu, H., Mccown, B., Zeldin, E., Harbut, R. 2012. Using next generation sequencing approaches for the isolation of simple sequence repeats (SSR) in the plant sciences. American Journal of Botany. 99(2):193-208.
Re-visiting spring flooding as an IPM approach in Wisconsin cranberries - (Abstract Only)
Steffan, S.A., Zalapa, J.E., Singleton, M., Harbut, R. 2011. Re-visiting spring flooding as an IPM approach in Wisconsin cranberries [abstract]. North American Cranberry Research and Extension Workers Annual Meeting. p. 18.
Development of educational tools to connect public audiences with cranberry researchers and growers - (Abstract Only)
Zalapa, J.E., Steffan, S.A., Harbut, R., Fredette, N. 2011. Development of educational tools to connect public audiences with cranberry researchers and growers [abstract]. North American Cranberry Research and Extension Workers Annual Meeting. Paper No. 8.
Measuring genetic diversity and purity of cranberry clonal cultivars using microsatellite markers - (Abstract Only)
Zalapa, J.E., Steffan, S.A., Hummer, K.E., Bassil, N.V., Moreno, J., Zhu, H., Mccown, B., Zeldin, E., Harbut, R. 2011. Measuring genetic diversity and purity of cranberry clonal cultivars using microsatellite markers [abstract]. North American Cranberry Research and Extension Workers Annual Meeting. Paper No. 5.
Last Modified: 10/16/2017
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