Tree Fruit Research & Extension Center

Insect Ecology & Behavior Laboratory

Staff & Students

Shawn A. Steffan

Post-doctoral Research Associate

Tree Fruit Research and Extension Center
1100 N Western Ave. Wenatchee, WA
Phone: 509-663-8181 ext. 286
Fax: 509-663-8714
E-mail: shawn_steffans@wsu.edu


Research/Professional Interests

  • Predator biodiversity and its influence on fear ecology
  • Community-scale impacts of nontrophic interactions
  • Monitoring and manipulating natural enemies to enhance conservation bio-control

Education

University of California, Berkeley - B.A., Environmental Biology
University of Wisconsin, Madison - M.S., Entomology
Washington State University, Pullman - Ph.D., Entomology

Publications

Refereed

Prischmann, D.A., S.A. Steffan, and C.M. Anelli. (in press). Insect myths: an interdisciplinary approach fostering active learning. American Entomologist.

Daane, K.M., G.Y. Yokota, R. Krugner, S.A. Steffan, P.G. da Silva, R.H. Beede, W.J. Bentley, and G.B. Weinberger. 2005. Large bugs damage pistachio nuts most severely during midseason. California Agriculture 59(2): 95-102.

Gullan, P.J., D.A. Downie, and S.A. Steffan. 2003. A new pest species of the mealybug genus Ferrisia Fullaway (Hemiptera: Pseudococcidae) from the United States. Annals of the Entomological Society of America, Vol. 96(6):723-737.

Millar, J.G., R.E. Rice, S.A. Steffan, K.M. Daane, E. Cullen, and F.G. Zalom. 2001. Attraction of female digger wasps, Astata occidentalis Cresson, to the sex pheromone of the stink bug, Thyanta pallidovirens (Stal). Pan-Pacific Entomologist 77:244-48.

Steffan, S.A., K.M. Daane, and D.L. Mahr. 2001. 15N-enrichment of plant material to mark phytophagous insects, associated parasitoids, and flower-visiting entomophaga. Entomologia Experimentalis et Applicata 98: 173-180.

Steffan, S.A., C. Garvey, and D. Sexson. 1998. The 1996 farm bill will enhance the long-term adoption of ecologically sound IPM: the con argument. American Entomologist (Fall): 161-162.

Steffan, S.A. 1997. Flower-visitors of Baccharis pilularis De Candolle subsp. consanguinea (De Candolle) C.B. Wolf (Asteraceae) in Berkeley, California. Pan-Pacific Entomologist 73: 52-54.

Wallin, K.F., R. Hofstetter, S. Steffan, and T. Rabey. 1996. Environmental issues associated with enhancing the impact of biological control agents. American Entomologist 42: 164-165.

Daane, K.M., L.E. Williams, G.Y. Yokota, and S.A. Steffan. 1995. Leafhopper prefers vines with greater amounts of irrigation. California Agriculture 3: 28-32.

Non-refereed

Alston, D.G., J.D. Barbour, and S.A. Steffan. 2007. California Prionus. In: E. Beers, J.F. Brunner, M.J. Willett, and G. Warner (eds.), OPM Online, Orchard Pest Management, WSU TFREC. view page

Steffan, S.A. and D.G. Alston. 2005. Biology and Control of Prionus Root Borer (Prionus californicus). Orchard IPM Series: Utah State University Extension Factsheet. USU knowledgebase ID: prionus-root-borers05. download PDF

Steffan, S.A. and D.G. Alston. 2005. Biology and Control of Speckled Green Fruitworm (Orthosia hibisci). Orchard IPM Series: Utah State University Extension Factsheet. USU knowledgebase ID: speckled-green-fruitworm05. download PDF

Alston, D.G., S.V. Thomson, S.A. Steffan, S. Ockey, and A. Roe. 2004. The Home Orchard Pest Management Guide. Utah State University Extension Publication HG 137. 28 pp. download PDF

Steffan, S. and M. Reding. 2004. Doubling Times and Half-Lives: Considerations for IPM Programs under Heavy Codling Moth Pressure. Proceedings of the 78th Annual Western Orchard Pest and Disease Management Conference, Portland, Oregon. Tree Fruit Research and Extension Center, Wenatchee, WA. download PDF

Cox, L., D. Alston, and S. Steffan. 2003. Apple and Pear Insect Control for Homeowners (Codling Moth). Orchard IPM Series: Utah State University Extension Factsheet HG-2003-06. download PDF

Steffan, S.A. W.J. Bentley, C.V. Hernandez, and S.B. Mallek. 2003. Conservation biological control in California stone fruit: A case study of San Jose scale and its aphelinid parasitoids. Proceedings of the 77th Annual Western Orchard Pest and Disease Management Conference, Portland, Oregon. WSU, Pullman, WA. download PDF

Steffan, S.A. and W.J. Bentley. 2003. Stone Fruit Pest Management Alliance Project Summary CD-ROM. University of California Cooperative Extension-Central Valley Region. Kearney Agricultural Center, Parlier, CA. http://www.uckac.edu/treefruitipm/slideshow.htm

Bentley, W., S. Steffan, C. Hernandez, and R. Coviello. 2003. Implementing arthropod pest management in stone fruits without broad-spectrum insecticides. Proceedings of the 77th Annual Western Orchard Pest and Disease Management Conference, Portland, Oregon. http://entomology.tfrec.wsu.edu/wopdmc/2003PDFs/Rep03%20Implement%20Bentley.pdf

Bentley, W., S. Steffan, K. Daane, J. Hasey, R. Coviello, M. Viveros, H. Andris, and B. Holtz. 2002 Stone Fruit Pest Management Alliance Annual Report. In: California Tree Fruit Agreement Annual Report, Crop Year 2001-2002. 30 pp. http://www.uckac.edu/treefruitipm/PMA/PDF/2002/2002-PMA%20report2.pdf

Steffan, S.A. and W.J. Bentley. 2002. Katydid management in San Joaquin Valley stone fruit orchards. University of California Plant Protection Quarterly, Kearney Plant Protection Group & Statewide IPM Project, Vol. 12(3):5-10. www.uckac.edu/ppq/02%20July.pdf

Steffan, S.A., and W.J. Bentley. 2001 Summary of Stone Fruit Pest Management Alliance Project. In: California Tree Fruit Agreement Annual Report, Crop Year 2001-2002. http://www.uckac.edu/treefruitipm/PMA/PDF/2001/ProjectSummary.pdf

Bentley, W.J. and S.A. Steffan. 2001. Notes on the biology of katydids in San Joaquin Valley stone fruit orchards. University of California Plant Protection Quarterly, Kearney Plant Protection Group & Statewide IPM Project, Vol. 11(4). www.uckac.edu/ppq/01Oct.pdf

Bentley, W., S. Steffan, K. Daane, J. Hasey, R. Coviello, H. Andris. 2001. Stone fruit pest management alliance annual report. In: California Tree Fruit Agreement Annual Report, Crop Year 2000-2001. http://www.uckac.edu/treefruitipm/PDF/2000annrpt.pdf

Daane, K.M., S.A. Steffan, P.G. da Silva, G.Y. Yokota, T.J. Michailides, W.J. Bentley, and R.H. Beede. 2001. Stink bugs and leaffooted bugs. In: California Pistachio Industry Annual Report, Crop Year 2000-2001.

Steffan, S.A., K.M. Daane, G.Y. Yokota, T.J. Michailides, B.A. Holtz. 2000. Hemipteran pests of pistachios and their relationship with Botryosphaeria dothidea. University of California Plant Protection Quarterly, Kearney Plant Protection Group & Statewide IPM Project, Vol. 10 (1): 3-7. www.uckac.edu/ppq/PDF/00jan.pdf

Daane, K.M., S.A. Steffan, G.Y., Yokota, T.J. Michailides. 2000. Biological investigations of hemipteran pests to improve control and reduce the spread of the fungus Botryosphaeria dothidea. In: California Pistachio Industry Annual Report, Crop Year 1999-2000.

Steffan, S.A., K.M. Daane, K.M. Weir, G.Y. Yokota, T.J. Michailides, and B.A. Holtz. 1999. The role of hemipterans in the spread of the fungus Botryosphaeria dothidea. In: California Pistachio Industry Annual Report, Crop Year 1998-99.

 

Presentations

(under construction)

 

Affiliated Projects:

Shawn is working with the "Enhancing Western Orchard Biological Control" project.

Enhancing BC website


 

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