Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Acantholyda erythrocephala - Pine False Webworm

Embioptera Possibility - Acantholyda erythrocephala Sawfly - Acantholyda erythrocephala Pine sawfly, 12:24pm - Acantholyda erythrocephala - female sawfly..Pine false webworm??? - Acantholyda erythrocephala - female sawfly..Pine false webworm??? - Acantholyda erythrocephala - female sawfly..Pine false webworm??? - Acantholyda erythrocephala - female Red-headed Sawfly - Acantholyda erythrocephala - female Red-headed Sawfly - Acantholyda erythrocephala - female
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 Pamphiliidae (Webspinning and Leafrolling Sawflies)
Genus Acantholyda
Species erythrocephala (Pine False Webworm)
Explanation of Names
Acantholyda erythrocephala (Linnaeus)
Size
8-15 mm(1)
Range
native to Europe, adventive in NA and now widespread in the north(1)
Remarks
Introduced around 1925, it is becoming a pest.
Internet References
Fact sheet (Allen 1998)