Journal
PROCEEDINGS OF THE ENTOMOLOGICAL SOCIETY OF WASHINGTON
Volume 112, Issue 2, Pages 246-257Publisher
ENTOMOL SOC WASHINGTON
DOI: 10.4289/0013-8797-112.2.246
Keywords
ash; biological control; emerald ash borer; exotic; Fraxinus; invasive; natural enemies; Nearctic
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- USDA
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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. It is the first species of Leluthia for which a determined species of Agrilus Curtis has been confirmed as a host and the association vouchered. All other hosts reported in the literature for L. astigma require confirmation through rearing from an isolated host or documentation of an unequivocal host-parasitoid association. Leluthia astigma adults reared from parasitoid cocoons collected in Delaware County, Ohio parasitized and produced F-1 adults in the laboratory on last-instar EAB larvae collected in County, Michigan. Parasitism of EAB and other natural history data are reported for L. astigma, including the first records of L. astigma from Kansas and New York.
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