B.S., Iowa State University, 1978 M.S., South Dakota State University, 1983 Ph.D., Texas A&M University, 1991 tom.royer@okstate.edu

Links:

IPM Oklahoma!

Teaching:

(Instructor)

(Guest lecturer)

Lab members, students, and collaborators:

Alissa Berro, M.S. 2011
Carmen Russell, M.S. 2009 (Ag Education)
Jake Doskocil M.S. 2007
Makuena Lebusa, M.S. 2004

Committees: 12 M.S., 3 Ph.D.

Current Assignment:

Professional Activities:

Entomological Society of America
International Association for the Plant Protection Sciences
Oklahoma Crop Improvement Association
Society of Southwestern Entomologists
Southwest Wheat Research and Education Consortium
Wheat Improvement Team

Recent Peer Reviewed Publications:

Author:

Royer, T.A., N.C. Elliott, K.L. Giles and S.D. Kindler. 2011. Field efficacy of wintertime insecticide applications against greenbugs, Schizaphis graminum (Rondani) (Hemiptera: Aphididae) on winter wheat (Triticum aestivum L.) Crop Protection 30:826-832.

Royer, T.A., K. L. Giles, M.M. Lebusa and M. E. Payton. 2008. Preference and suitability of greenbug, Schizaphis graminum (Hemiptera: Aphididae) parasitized by Lysiphlebus testaceipes (Hymenoptera: Braconidae) as a food source for Coccinella septimpunctata and Hippodamia convergens (Coleoptera: Coccinellidae). Biological Control 47: 82-88

Royer, T.A., K.L. Giles, T. Nyamanzi, R. Hunger, E.G. Krenzer, N.C. Elliott, S.D. Kindler, and M. Payton. 2005. Economic evaluation of the effects of planting date and application rate of imidacloprid for management of cereal aphids and barley yellow dwarf in winter wheat. J. Econ. Entomol. 98: 95-102.

Royer, T.A. and N. Walker. 2004. Survival of black cutworm larvae and observations on larval predation by Solenopsis molesta in a turfgrass ecosystem. Southwestern Entomol. 29: 31-38.

Royer, T.A., K.L. Giles, S.D. Kindler, and N.C. Elliott. 2001. Developmental response of three geographic isolates of Lysiphlebus testaceipes (Cresson) (Hymenoptera: Aphidiidae) to temperature. Environ. Entomol. 30: 637-641.

Royer, T.A., P.G. Mulder, and G.W. Cuperus. 1999. Renaming (redefining) integrated pest management: fumble, pass, or play? Am. Entomol. 45: 136-139.

Co-Author: 

Franke-Dvorak, T. C., Kelsey, K. D., & Royer, T. A. 2010. Is extension still reaching stakeholders? An assessment of minor crop producers' educational needs and use of Cooperative Extension Services. Journal of Agricultural Education, 51(1), 56-64

Chen, M-S, E. Echegaray, R. J. Whitworth, H. Wang, P.S. Sloderbeck, A. Knutson, K.L. Giles and T.A. Royer. 2009. Virulence analysis of Hessian fly populations from Texas, Oklahoma, and Kansas. J. Econ. Entomol. 102: 774-780.

Doskocil, J.P., N.R. Walker, S.M. Marek, G.E. Bell, J.A. Reinert and T.A. Royer. 2008. The species composition and seasonal occurrence of Phyllophaga infesting intensely managed bermudagrass in Oklahoma. J. Econ. Entomol:101 1624-1632.

Elliott, N. C., M. Mirik, Z. Yang, T. Dvorak, M. Rao, J. Michels, C. Walker, V. Catana, M. Phoofolo, K. Giles, and T. Royer. 2007. Airborne multi-spectral remote sensing of Russian wheat aphid injury to wheat. Southwest. Entomol. 32: 213-220.

Elliott, N.C., F.L. Tao, K.L. Giles, T.A. Royer, M.H. Greenstone, and K.A. Shufran. 2006. First quantitative study of rove beetles in Oklahoma winter wheat fields. Biocontrol 51:79-87.

Payton, M.E., S.J. Richter, K.L. Giles and T.A. Royer. 2006. Transformations of count data for tests of interaction in factorial and split-plot experiments. J. Econ. Entomol. 99: 1002-1006.

Elliott, N.C., T.A. Royer, K.L. Giles, S.D. Kindler, D.R. Porter, D.T. Elliott, and D.A Waits. 2004. A web-based decision support systme for managing greenbugs in wheat. Crop Managment doi. 10.1094/CM-2004-1006-01-MG.

Elliott, N.C., K.L. Giles, T.A. Royer, S.D. Kindler, F.L. Tao, D.B. Jones, and G.W. Cuperus. 2003. Fixed precision sequential sampling plans for the greenbug and bird cherry-oat aphid (Homoptera: Aphididae) in winter wheat in Oklahoma. J. of Econ. Entomol. 96: 1585-1593.

Giles, K.L., D. B. Jones, T.A. Royer, N.C. Elliott and S.D. Kindler. 2003. Development of a sampling plan in winter wheat that estimates cereal aphid parasitism levels and predicts population suppression. J. Econ. Entomol. 96: 975-982

Ismal, E., K.L. Giles, L. Coburn, T.A. Royer, R. Hunger, J. Verchot, G.W. Horn, E.G. Krenzer, T.F. Peeper, M.E. Payton, G.J. Michels, and D.A. Owings. 2003. Effects of aphids, barley yellow dwarf, and grassy weeds in grazed winter wheat. Southwestern Entomol. 28: 121-130

Jones, D.B., K.L. Giles, R.C. Berberet, T.A. Royer, N.C. Elliott and M. Payton. 2003. Functional responses of an introduced parasitoid and an indigenous parasitoid on greenbug at four temperatures. Environ. Entomol. 32: 425-432.

Kindler, S. D., N.C. Elliott, K. L. Giles, T.A. Royer, R. Fuentes-Granados, and F. Tao. 2002. Effect of greenbugs on winter wheat yield. J. Econ. Entomol 95: 89-95. 

Recent Extension Publications:

Royer, T.A. and K.L. Giles. 2011. Caterpillars in Canola. EPP-7089. Oklahoma Cooperative Extension Service, Stillwater, OK.

Hunger, B., T.A. Royer, J. Edwards and K. Giles. 2011. Effect of planting date and seed treatment on diseases and insect pests of wheat. CR-7088. Oklahoma Cooperative Extension Service, Stillwater, OK.

Edwards, Jeff, B. Hunger, B. Carver and T. Royer. 2009-2010 (rev). 2010 Wheat Variety Comparison. PSS-2142. Oklahoma Cooperative Extension Service, Stillwater, OK.

Royer, T. 2010. Worksheet for estimating economic injury levels for sorghum headworms in Oklahoma. EPP-7087. Cooperative Extension Service, Stillwater, OK

Royer, T. A., J. Edwards and K. L. Giles. 2009. Hessian fly management in Oklahoma winter wheat. EPP-7086. Oklahoma Cooperative Extension Service, Stillwater, OK

Royer, T.A. 2008. Management of Insect and Mite Pests in Sunflowers. EPP-7197. Oklahoma Cooperative Extension Service, Stillwater, OK.

Franke, Tanya, Kathleen Kelsey and Tom A. Royer. 2009. Pest Management Needs Assessment for Oklahoma Corn Producers. EPP-7080. Cooperative Extension Service, Stillwater, OK

Franke, Tanya, Kathleen Kelsey and Tom A. Royer. 2009. Pest Management Needs Assessment for Oklahoma Cotton Producers. EPP-7081. Cooperative Extension Service, Stillwater, OK

Franke, Tanya, Kathleen Kelsey and Tom A. Royer. 2009. Pest Management Needs Assessment for Oklahoma Grain Sorghum Producers. EPP-7082. Cooperative Extension Service, Stillwater, OK

Franke, Tanya, Kathleen Kelsey and Tom A. Royer. 2009. Pest Management Needs Assessment for Oklahoma Peanut Producers. EPP-7083. Cooperative Extension Service, Stillwater, OK.

Franke, Tanya, Kathleen Kelsey and Tom A. Royer. 2009. Pest Management Needs Assessment for Oklahoma Soybean Producers. EPP-7084. Cooperative Extension Service, Stillwater, OK.

Franke, Tanya, Kathleen Kelsey and Tom A. Royer. 2009. Pest Management Needs Assessment for Oklahoma Canola Producers. EPP-7085. Cooperative Extension Service, Stillwater, OK.

Royer, T.A. 2007. Insect Management. Chapter 10 in: Godsey, C. [ed.]; No-till cropping systems in Oklahoma. E-996. Oklahoma Cooperative Extension Service, Stillwater, OK.

Royer, T.A., S. Story, N.C. Elliott and K. Rank. 2007. Cereal Aphid Expert System and Glance 'n Go Sampling: training packet and resource materials. E-991. Oklahoma Cooperative Extension Service, Stillwater, OK.

Royer, T.A. and K.L. Giles. 2006, 2009 (rev). Management of Insect and Mite Pests in Canola. CR-7667. Oklahoma Cooperative Extension Service, Stillwater, OK

Royer, T.A. and K.L. Giles. 2006-2009 (rev). Management of insect and mite pests in corn. CR-7192.

Royer, T.A. and K.L. Giles 2006, 2009 (rev). Management of Insect Pests in Small Grains. CR-7194. Oklahoma Cooperative Extension Service, Stillwater, OK.

Royer, T.A. 2006, 2009 (rev). Management of Insect Pests of Rangeland and Pasture. CR-7193. Oklahoma Cooperative Extension Service, Stillwater, OK.

Royer, T.A. 2004, 2009 (rev). Management of Insect and Mite Pests in Sorghum. CR-7170. Oklahoma Cooperative Extension Service, Stillwater, OK.

Arnold, D, E. Rebek, T.A. Royer P. Mulder, and B. Kard. 2008 (rev). Common Horticultural and Household Insects of Oklahoma. E-918. Oklahoma Cooperative Extension Service, Stillwater, OK.

Jones, C, E. Bonjour, T. Royer, D. Lalman, J. Edwards. 2007. Storage and use of low test weight and sprouted wheat. CR-1109. Oklahoma Cooperative Extension Service, Stillwater, OK.

Royer, T.A. and P. G. Mulder. 2004. Grasshopper Management in Rangeland, Pastures and Crops. F-7196. Oklahoma Cooperative Extension Service, Stillwater, OK.

Royer, T.A. and J.V. Edelson. 2004. Grasshopper Control in Gardens and Landscapes. F-7322. Oklahoma Cooperative Extension Service, Stillwater, OK.

Royer, T.A., K.L. Giles, S.D. Kindler, and N.C. Elliott. 2003, 2005 (rev). Cereal Aphid Expert System and Glance 'n Go Sampling for Greenbugs: Questions and Answers. CR- 7191. Oklahoma Cooperative Extension Service, Stillwater. OK.

Royer, T.A., K.L. Giles and N.C. Elliott. 2002, 2005 (rev). Glance 'n Go Sampling for Greenbugs in Winter Wheat, Spring Edition. L-306. Oklahoma Cooperative Extension Service, Stillwater, OK.

Royer, T.A., K.L. Giles and N.C. Elliott. 2002, 2005 (rev). Glance 'n Go Sampling for Greenbugs in Winter Wheat, Fall Edition. L-307. Oklahoma Cooperative Extension Service, Stillwater, OK.

Arnold, D. and T. Royer. 2004 (rev). Plant Galls Caused by Insects. F-7168. Oklahoma Cooperative Extension Service, Stillwater, OK.

Friend, E.J., J.P. Kelly, C.W. Friend, T.F. Peeper, K.L. Giles, and T.A. Royer. 2002. Biological control of field bindweed in Oklahoma. PT 2002-22. Department of Plant and Soil Sciences, Oklahoma State University, Stillwater, OK. 

Personal Information:

Family: Married to Joleen since 1983, who teaches 2nd grade at Sangre Ridge Elementary in Stillwater. I have two children, Kelly and Kevin.

Hobbies: Golf, fishing, scuba, gardening, travel.