Wednesday, 29 October 2003
D0640

This presentation is part of : Display Presentations, Section F. Crop Protection Entomology

Pesticide options for the emerald ash borer, Agrilus planipennis

David Cappaert1, Deborah G. McCullough2, David R. Smitley1, and Therese Poland3. (1) Michigan State University, Entomology, Natural Science Building, East Lansing, MI, (2) Michigan State University, Entomology and Forestry, 243 Natural Science Building, East Lansing, MI, (3) USDA Forest Service, North Central Research Station, 1407 South Harrison Rd., Ste. 220, East Lansing, MI

The emerald ash borer (EAB), Agrilus planipennis, is an exotic pest that threatens the existence of Fraxinus spp in its current southeast Michigan range. Pesticides are the only short-term option for protecting valuable landscape trees; chemical controls will also be integral to efforts aimed at preventing expansion of the EABís range. Trials in 2002-3 compared larval mortality for soil treatments with imidacloprid, trunk injection of neonicotinyls and dicrotophos, and foliar applications of 4 compounds. Other measures of relative performance of different treatments and application methods included adult bioassays and residue analysis of tree foliage. Interactions of pesticide treatments with tree species (white and green ash), size, and degree of infestation (affecting pesticide transport) were also examined.

Species 1: coleoptera buprestidae agrilus planipennis (emerald ash borer)
Keywords: ash, imidacloprid

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