Ashton cuckoo bumble bee Order HYMENOPTERA Family Apidae Genus Bombus Species ashtoni Author (Cresson)
arroyo willow stem-galling sawfly Order HYMENOPTERA Family Tenthredinidae Genus Euura Species lasiolepis Author Smith
American bumble bee Order HYMENOPTERA Family Apidae Genus Bombus Species pensylvanicus Author (De Geer)
Allegheny mound ant Order HYMENOPTERA Family Formicidae Genus Formica Species exsectoides Author Forel
alfalfa seed chalcid Order HYMENOPTERA Family Eurytomidae Genus Bruchophagus Species roddi Author (Gussakovsky)
alfalfa leafcutting bee Order HYMENOPTERA Family Megachilidae Genus Megachile Species rotundata Author (Fabricius)
aerial yellowjacket Order HYMENOPTERA Family Vespidae Genus Dolichovespula Species arenaria Author (Fabricius)
