Richard Roush
Dean, College of Agricultural Sciences

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201 Ag Administration
University Park, PA - rtr10@psu.edu
- 814-865-2541
Huck Affiliations
Publication Tags
Insecticides Lepidoptera Genotype Plutella Xylostella Spinosad Broccoli Bacillus Thuringiensis Plutellidae Insects Crops Insecticide Pest Control Brassica Cyhalothrin Insecticide Resistance Parasitoids Effect Predators Parasitoid Hymenoptera Natural Enemies Larva Population Coleomegilla Maculata InsectaMost Recent Papers
Effect of Bt broccoli and resistant genotype of Plutella xylostella (Lepidoptera
Xiaoxia Liu, Ghulam Hussain Abro, Fei Han, Junce Tian, Mao Chen, David Onstad, Rick Roush, Qingwen Zhang, Anthony M. Shelton, 2015, Biological Control on p. 55-61
Practical yield loss models for infestation of cocoa with cocoa pod borer moth, Conopomorpha cramerella (Snellen)
Isabel Valenzuela, Hussin Bin Purung, Richard T. Roush, Andrew J. Hamilton, 2014, Crop Protection on p. 19-28
Natural enemies delay insect resistance to Bt crops
Xiaoxia Liu, Mao Chen, Hilda L. Collins, David W. Onstad, Richard T. Roush, Qingwen Zhang, Elizabeth D. Earle, Anthony M. Shelton, 2014, PLoS One
Modeling the integration of parasitoid, insecticide, and transgenic insecticidal crop for the long-term control of an insect pest
David W. Onstad, Xiaoxia Liu, Mao Chen, Rick Roush, Anthony M. Shelton, 2013, Journal of Economic Entomology on p. 1103-1111
The potential for carbon sequestration in Australian agricultural soils is technically and economically limited
Shu Kee Lam, Deli Chen, Arvin R. Mosier, Richard Roush, 2013, Scientific Reports
Genetically modified crops shrink farming's pesticide footprint
Richard Roush, David Tribe, 2012, Australian journal of biotechnology on p. 50-51
Effect of Bt broccoli or plants treated with insecticides on ovipositional preference and larval survival of plutella xylostella (Lepidoptera
Xiaoxia Liu, Mao Chen, David Onstad, Richard T. Roush, Hilda L. Collins, Elizabeth D. Earle, Anthony M. Shelton, 2012, Environmental Entomology on p. 880-886
Effect of insecticides and plutella xylostella (Lepidoptera
Xiaoxia Liu, Mao Chen, Hilda L. Collins, David Onstad, Rick Roush, Qingwen Zhang, Anthony M. Shelton, 2012, Journal of Economic Entomology on p. 354-362
Effect of Bt broccoli and resistant genotype of Plutella xylostella (Lepidoptera
Xiaoxia Liu, Mao Chen, David Onstad, Rick Roush, Anthony M. Shelton, 2011, Transgenic Research on p. 887-897
Pathogenicity of Phragmidium violaceum isolates on European blackberry clones and on leaves of different ages
K. J. Evans, D. R. Gomez, M. K. Jones, H. Oakey, R. T. Roush, 2011, Plant Pathology on p. 532-544
Most-Cited Papers
The potential for carbon sequestration in Australian agricultural soils is technically and economically limited
Shu Kee Lam, Deli Chen, Arvin R. Mosier, Richard Roush, 2013, Scientific Reports
Natural enemies delay insect resistance to Bt crops
Xiaoxia Liu, Mao Chen, Hilda L. Collins, David W. Onstad, Richard T. Roush, Qingwen Zhang, Elizabeth D. Earle, Anthony M. Shelton, 2014, PLoS One
Effect of Bt broccoli and resistant genotype of Plutella xylostella (Lepidoptera
Xiaoxia Liu, Mao Chen, David Onstad, Rick Roush, Anthony M. Shelton, 2011, Transgenic Research on p. 887-897
Modeling the integration of parasitoid, insecticide, and transgenic insecticidal crop for the long-term control of an insect pest
David W. Onstad, Xiaoxia Liu, Mao Chen, Rick Roush, Anthony M. Shelton, 2013, Journal of Economic Entomology on p. 1103-1111
Effect of insecticides and plutella xylostella (Lepidoptera
Xiaoxia Liu, Mao Chen, Hilda L. Collins, David Onstad, Rick Roush, Qingwen Zhang, Anthony M. Shelton, 2012, Journal of Economic Entomology on p. 354-362
Pathogenicity of Phragmidium violaceum isolates on European blackberry clones and on leaves of different ages
K. J. Evans, D. R. Gomez, M. K. Jones, H. Oakey, R. T. Roush, 2011, Plant Pathology on p. 532-544
Developmental penalties associated with inducible tolerance in Helicoverpa armigera to insecticidal toxins from Bacillus thuringiensis
Mahbub Rahman, Richard Glatz, Rick Roush, Otto Schmidt, 2011, Applied and Environmental Microbiology on p. 1443-1448
Effect of Bt broccoli and resistant genotype of Plutella xylostella (Lepidoptera
Xiaoxia Liu, Ghulam Hussain Abro, Fei Han, Junce Tian, Mao Chen, David Onstad, Rick Roush, Qingwen Zhang, Anthony M. Shelton, 2015, Biological Control on p. 55-61
Effect of Bt broccoli or plants treated with insecticides on ovipositional preference and larval survival of plutella xylostella (Lepidoptera
Xiaoxia Liu, Mao Chen, David Onstad, Richard T. Roush, Hilda L. Collins, Elizabeth D. Earle, Anthony M. Shelton, 2012, Environmental Entomology on p. 880-886
Practical yield loss models for infestation of cocoa with cocoa pod borer moth, Conopomorpha cramerella (Snellen)
Isabel Valenzuela, Hussin Bin Purung, Richard T. Roush, Andrew J. Hamilton, 2014, Crop Protection on p. 19-28
News Articles Featuring Richard Roush
Sep 16, 2020
Pennsylvania agriculture secretary asks for public's help in stopping spread of spotted lanternfly
Pennsylvania is on a mission to stop the spotted lanternfly. It's been six years since the invasive insect first arrived in the state, and it's still a problem that is not under control.
Full Article
Aug 19, 2020
Farm tour highlights the need for agricultural research
AG leaders say the farm economy is in the worst shape since the 80's; farmers face challenges, including but not limited to: low prices, weather, and now, COVID-19.
Full Article
Dec 14, 2019
Impact of animal infectious disease to be focus of conference at Penn State
Animal infectious illnesses such as avian influenza and African swine fever pose a significant threat to animal health and welfare and can cause economic instability and food insecurity for people all over the world.
Full Article
Aug 22, 2019
Research looks at effectiveness of biopesticide on invasive insect
Researchers are hoping to fight an invasive species in Pennsylvania with fungus native to the state. The spotted lanternfly poses a threat to the state's $18 billion grape, tree fruit, and timber industries.
Full Article
Aug 15, 2019
Spread of African swine fever has lawmakers looking at ways to keep disease out of Pennsylvania
Three words kept coming up at a joint meeting of the House and Senate Agriculture and Rural Affairs Committees this week – African swine fever. The committees meet to discuss biosecurity and animal health with much of the meeting focused on the disease, which has killed as much as half the pigs in China and could have a devastating effect on not only Pennsylvania but the U.S.
Full Article
Aug 15, 2019
Automation on display at Ag Progress Days
A shrinking labor pool has forced farmers both locally and nationally to seek other measures to ensure high yields on their crops while also maintaining human-level efficiency. Researchers at Penn State are looking at ways to mitigate the dwindling labor workforce, and they’ve collaborated with local farmers through automation to help compensate.
Full Article