Rocky Mountain billbug Order COLEOPTERA Family Curculionidae Genus Sphenophorus Species cicatristriatus Author Fåhraeus
southern corn billbug Order COLEOPTERA Family Curculionidae Genus Sphenophorus Species callosus Author (Olivier)
nutgrass billbug Order COLEOPTERA Family Curculionidae Genus Sphenophorus Species cariosus Author (Olivier)
maize billbug Order COLEOPTERA Family Curculionidae Genus Sphenophorus Species maidis Author Chittenden
hunting billbug Order COLEOPTERA Family Curculionidae Genus Sphenophorus Species venatus vestitus Author Chittenden
claycolored billbug Order COLEOPTERA Family Curculionidae Genus Sphenophorus Species aequalis aequalis Author Gyllenhal
bluegrass billbug Order COLEOPTERA Family Curculionidae Genus Sphenophorus Species parvulus Author Gyllenhal
