Rebecca Schmidt-Jeffris

Research Scientist, USDA-ARS
Adjunct Professor, Clemson University
Plant and Environmental Sciences Department

Office: Wapato, WA
Phone: 509-454-6556


 Educational Background

Ph.D. Entomology
Washington State University 2015

B.S. Entomology
Washburn Universith 2010


Peer Reviewed
Schmidt, J.M., Whitehouse, T.S., Green, K., Krehenwinkel, H., Schmidt-Jeffris, R., Sial, A. Local and landscape-scale heterogeneity shape spotted wing drosophila (Drosophila suzukii) activity and natural enemy abundance: implications for trophic interactions. 2019. Agr. Ecosyst. Environ. 272: 86-94. DOI: 10.1016/j.agee.2018.11.014

Schmidt-Jeffris, R.A. and Nault, B.A. 2018. Crop spatiotemporal dominance is a better predictor of pest and predator abundance than traditional partial approaches. Agr. Ecosyst. Environ. 265: 331-339. DOI: 10.1016/j.agee.2018.06.017

Leach, A., Fuchs, M., Harding, R., Schmidt-Jeffris, R., and Nault, B.A. 2018. Importance of transplanted onions contributing to late-season iris yellow spot virus epidemics in New York. Plant Dis. 102: 1264-1272 DOI: 10.1094/PDIS-06-17-0793-RE

Schmidt-Jeffris, R.A. and Beers, E.H. 2018. Potential impacts of orchard pesticides on Tetranychus urticae: A predator-prey perspective. Crop Prot. 103: 56-64. DOI: 10.1016/j.cropro.2017.09.009
Schmidt-Jeffris, R.A. and Nault, B.A. 2017. Residual activity of diamide insecticides for Ostrinia nubilalis control in processing snap bean. Crop Prot. 98: 116-123. DOI: 10.1016/j.cropro.2017.03.019

Schmidt-Jeffris, R.A. and Beers, E.H. 2017. Effects of foliar apple trichomes on Galendromus occidentalis (Nesbitt) (Acari: Phytoseiidae): preferences, fecundity, and prey consumption. Agric. Forest Entomol. 19: 93-100. DOI: 10.1111/afe.12184

Schmidt-Jeffris, R.A. and Nault, B.A. 2016. Anthranilic diamide insecticides delivered via multiple approaches to control vegetable pests: a case study in snap bean. J. Econ. Entomol. 109: 2479-2488. DOI: 10.1093/jee/tow219

Schmidt-Jeffris, R.A., Huseth, A.S., and Nault, B.A. 2016. Estimating E-Race European corn borer (Lepidoptera: Crambidae) adult activity in snap bean fields based on corn planting intensity and their activity in corn in New York agroecosystems. J. Econ. Entomol. 109: 2210-2214. DOI: 10.1093/jee/tow149

Schmidt-Jeffris, R.A. and Beers, E.H. 2016. Assessment of techniques for marking Galendromus occidentalis (Nesbitt). Biocontrol Sci. Techn. 26: 866-871. DOI: 10.1080/09583157.2016.1158782

Schmidt-Jeffris, R.A. and Beers, E.H. 2016. Phenology of phytoseiid populations in an insecticide-free apple orchard. Exp. Appl. Acarol. 68: 173-182. DOI: 10.1007/s10493-015-9977-1

Schmidt-Jeffris, R.A. and Beers, E.H. 2015. Comparative biology and pesticide susceptibility of Amblydromella caudiglans and Galendromus occidentalis as spider mite predators in apple orchards. Exp. Appl. Acarol. 67: 35-47. DOI: 10.1007/s10493-015-9931-2

Schmidt-Jeffris, R.A., Beers, E.H, and Crowder, D.W. 2015. Phytoseiids in Washington commercial apple orchards: biodiversity and factors affecting abundance. Exp. Appl. Acarol. 67: 21-34. DOI: 10.1007/s10493-015-9927-y

Beers, E.H. and Schmidt-Jeffris, R.A. 2015. Impacts of orchard pesticides on Galendromus occidentalis: repellency and irritancy. J. Econ. Entom. 108: 259-265. DOI: 10.1093/jee/tou047

Schmidt, R.A. 2014. Leaf structures affect predatory mites (Mesostigmata: Phytoseiidae) and biological control: A review. Exp. Appl. Acarol. 62: 1-17. DOI: 10.1007/s10493-013-9730-6

Beers, E.H. and Schmidt, R.A. 2014. Impacts of orchard pesticides on Galendromus occidentalis: lethal and sublethal effects. Crop Prot. 56: 16-24. DOI:10.1016/j.cropro.2013.10.010

Schmidt, R.A., Beers, E.H., Unruh, T.R., and Horton, D.R. 2013. Releases of insectary-reared Galendromus occidentalis (Acari: Phytoseiidae) in commercial apple orchards. J. Econ. Entom. 106: 1996-2005. DOI: 10.1603/EC13153

Non-refereed/Editor reviewed
Schmidt-Jeffris, R.A., Beers, E.H., and Duso, C. (in press) Insect pests of fruit: mites In X. Xu and M. Fountain (eds.), Integrated management of insect pests and diseases of tree fruit. Burleigh Dodds Science Publishing, Cambridge, UK.

Farfan, M. and Schmidt-Jeffris, R.A. (in press) Biodiversity of Phytoseiidae (Acari: Mesostigmata) of annual specialty crop systems: the current state of knowledge worldwide and the need for study in the U.S. Recent Advances in Acarology.

Dye, K.C., Schmidt-Jeffris, R.A., Reall, T., Halfpenney, R. K., Whitener, A.B., and Gantz, J.D. 2018. 2016 Debates: Solving problems without borders. Am. Entomol. 64: 165-175. DOI: 10.1093/ae/tmy040

Schmidt-Jeffris, R.A. and Nelson, J. 2018. Gotta catch ‘em all: communicating entomology with Pokémon. Am. Entomol. 64: 159-164. DOI: 10.1093/ae/tmy048

Schmidt-Jeffris, R.A., Dye, K.C., and Whitener, A.B. 2017. 2015 Debates: Molecular biology and entomology: partnering for solutions. Am. Entomol. 63: 114-123. DOI: 10.1093/ae/tmx028

Schmidt-Jeffris, R.A. and Nault, B.A. 2016. Anthranilic diamides can potentially replace neonicotinoid seed treatments in vegetable crops. EntomologyToday.

Schmidt-Jeffris, R.A. and Nault, B.A. 2016. European corn borer control in snap bean, 2015. Arthropod Manag. Tests. 41: tsw047. DOI: 10.1093/amt/tsw047

Reall-Lincoln, T., Schmidt-Jeffris, R.A., and Del Pozo-Valdivia, A. 2016. 2014 Debates: Management strategies: solutions to grand challenges. Am. Entomol. 62: 98-107 DOI: 10.1093/ae/tmw033

Minteer, C.R., Schmidt-Jeffris, R.A., Coon, K., and Reall, T. 2015. 2013 Debates: Scientific issues that arise from a connected world. Am. Entomol. 61: 151-159. DOI: 10.1093/ae/tmv044

Schmidt-Jeffris, R.A. Five tried-and-true ways students can make the most of Entomology 2015. EntomologyToday.