PROC. ENTOMOL. SOC. WASH. 112(2), 2010, pp. 246–257 LELUTHIA ASTIGMA (ASHMEAD) (HYMENOPTERA: BRACONIDAE: DORYCTINAE) AS A PARASITOID OF AGRILUS PLANIPENNIS FAIRMAIRE (COLEOPTERA: BUPRESTIDAE: AGRILINAE), WITH AN ASSESSMENT OF HOST ASSOCIATIONS FOR NEARCTIC SPECIES OF LELUTHIA CAMERON ROBERT R. KULA,KATHLEEN S. KNIGHT,JOANNE REBBECK, LEAH S. BAUER,DAVID L. CAPPAERT, AND KAMAL J. K. GANDHI (RRK) Systematic Entomology Laboratory, Plant Sciences Institute, Agricul- tural Research Service, U.S. Department of Agriculture, c/o National Museum of Natural History, Smithsonian Institution, P.O. Box 37012, MRC 168, Washington, DC 20013-7012, U.S.A. (e-mail:
[email protected]); (KSK, JR) U.S. Forest Service Northern Research Station, U.S. Department of Agriculture, 359 Main Road, Delaware, OH 43015, U.S.A.; (LSB) U.S. Forest Service Northern Research Station, U.S. Department of Agriculture, Michigan State University, 1407 S. Harrison Road, East Lansing, MI 48823, U.S.A.; (DLC) Department of Entomology, Michigan State University, East Lansing, MI 48824, U.S.A.; (LSB) U.S. Forest Service Northern Research Station, U.S. Department of Agriculture, Michigan State University, 1407 S. Harrison Road, East Lansing, MI 48823, U.S.A.; (KJKG) Daniel B. Warnell School of Forestry and Natural Resources, The University of Georgia, 180 E Green St., Athens, GA 30602, U.S.A. Abstract.—Published host associations are assessed for Leluthia astigma (Ashmead), Leluthia floridensis Marsh, and Leluthia mexicana Cameron, the three known species of Leluthia Cameron in the Nearctic Region. Leluthia astigma is reported as a parasitoid of Agrilus planipennis Fairmaire, emerald ash borer (EAB), infesting Fraxinus americana L., white ash, in Delaware County, Ohio.