Hegde, R. G., A. K. Singh, and P. L. Mitchell. Biology of a coreid pest of pigeonpea in India: Clavigralla scutellaris Westwood. Presented at the 51st Annual Meeting of the South Carolina Entomological Society, Charleston, SC, October 2005.

Johnson, C. E., C. Francis, and P. L. Mitchell. Antifeedant effects of Asimina triloba extract on milkweed bugs and southern green stink bugs. Presented at the 50th Annual Meeting of the South Carolina Entomological Society, Columbia, South Carolina, October 2004.

Johnson, C. E., P. L. Mitchell, and J. M. Schmidt. Antifeedant effect of aqueous pawpaw (Annonaceae) extract on milkweed bugs. Presented by C. E. Johnson at the Annual Meeting of the Southeastern Branch of the Entomological Society of America, Charleston, SC February 2004

Mitchell, P. L., R. Gupta, A. K. Singh, and P. Kumar. Effect of neem seed extract on the behavior of a legume pest and its egg parasitoid. Presented at the National Meeting of the Entomological Society of America, Cincinnati, Ohio, October 2003

Gupta, R., P. L. Mitchell, and A. K. Singh. Effect of neem on the pigeon pea pest, Clavigralla scutellaris (Heteroptera: Coreidae), and its natural enemy, Gryon fulviventre (Hymenoptera: Scelionidae). Presented by R. Gupta at the World Neem Conference, Mumbai, India, November 2002 (published synopsis)

Mitchell, P. L. Toxicity of aqueous neem suspension to Clavigralla scutellaris (Heteroptera: Coreidae) and its parasitoid, Gryon fulviventre (Hymenoptera: Scelionidae). Presented at the 48th Annual Meeting of the South Carolina Entomological Society, Columbia, South Carolina, October 2002 (Outstanding Paper Presentation Award)

Mitchell, P.L. Clavigralla spp. (Heteroptera: Coreidae) in India: Biology, ecology, and biological control. Presented at the Second Quadrennial Meeting of the International Heteropterists’ Society, St. Petersburg, Russia, July 2002 (published abstract)

Mitchell, P.L. Effect of meliaceous plant extracts on heteropteran pests of legumes. Presented at the 3rd International Conference on Biopesticides, Kuala Lumpur, Malaysia, April 2002 (published abstract)

Mitchell, P.L. Role of Heteroptera as vectors of plant disease. Presented at the 5th Joint Meeting of the Georgia and South Carolina Entomological Societies, Gainesville, Georgia, April 2001.

Mitchell, P.L. Heteropterans transmitting plant diseases. Invited symposium paper, presented at the International Congress of Entomology, Iguaçu Falls, Brazil, August 2000 (published abstract).