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Species Arge humeralis - Poison Ivy Sawfly

Sawfly - Arge humeralis - Arge humeralis Poison Ivy Sawfly - Arge humeralis distinctive - Arge humeralis Female Arge humeralis? - Arge humeralis - female Arge humeralis lavendar, polka dotted larva - Poisen Ivy Sawfly - Arge humeralis Sawfly - Arge humeralis Poison Ivy Sawfly - Arge humeralis
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Symphyta" - Sawflies, Horntails, and Wood Wasps)
Family Argidae (Argid Sawflies)
Genus Arge
No Taxon (humeralis group)
Species humeralis (Poison Ivy Sawfly)
Explanation of Names
Arge humeralis (Palisot de Beauvois 1809)
Size
♂ 7.0-9.0 mm, ♀ 8.0-11.0 mm(1)
Range
e. NA (NH-FL to ND-NM)(1)
Food
Larva feeds on poison ivy, Toxicodendron (Rhus) radicans, and related species (Illinois Wildflowers)
Remarks
Red spot on thorax may be absent
Works Cited
1.The sawfly genus Arge (Hymenoptera: Argidae) in the Western Hemisphere
Smith D.R. 1989. Transactions of the American Entomological Society 115: 83-205.