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Family Pamphiliidae - Webspinning and Leafrolling Sawflies

sawfly orange and metallic blue Sawfly - Onycholyda amplecta Pine False Webworm- Acantholyda erythrocephala ? Female - Acantholyda erythrocephala - female What family of sawfly is this? Sawfly? - Onycholyda sitkensis Sawfly? - Onycholyda sitkensis Sitting on a picnic table - Acantholyda ruficeps caterpillar on hemlock - Acantholyda
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Sawflies, Horntails, and Wood Wasps)
Family Pamphiliidae (Webspinning and Leafrolling Sawflies)
Numbers
75 species in 7 genera in North America (nearctica.com)
Identification
Adults have many-segmented antennae.

Larvae have "long antennae, long subanal appendages, small hook at apex of last segment." -- Dave Smith
Food
larvae spin webs in a variety of woody plants where they feed on foliage
Internet References
pinned adult images of undetermined species in the genera Acantholyda, Cephalcia, Neurotoma, Pamphilius (Insects of Cedar Creek, Minnesota)