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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.)
A syndrome of mutualism reinforces the lifestyle of a sloth Reprint Icon - (Peer Reviewed Journal)
Pauli, J., Mendoza, J., Steffan, S.A., Cayelan, 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 - (Peer Reviewed Journal) - (29-Nov-13)
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., 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.
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.
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.
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 - (Other)
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” - (Other)
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 - (Other)
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 - (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: 3/19/2013