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For Insects, Spiders & Their Kin
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Fall Fund Drive


Family Pamphiliidae - Webspinning and Leafrolling Sawflies

Small wasp 1 - Onycholyda luteicornis Sawfly - Onycholyda rufofasciata Larva in shelter - Onycholyda sitkensis Sawfly, I think - Onycholyda sitkensis Sask Wasp or Sawfly Maybe Acantholyda? - Cephalcia californica Sawfly Pamphiliidae - Onycholyda luteicornis Uknown
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)
Explanation of Names
Pamphiliidae Cameron 1890
72 spp. in 5 genera in our area(1)
Adults have many-segmented antennae. Larvae with long antennae, long subanal appendages, small hook at apex of last segment. --Dave Smith
keys to spp. in(2)(3)
larvae spin webs in a variety of woody plants where they feed on foliage
Works Cited
1.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
2.The North American sawflies of the genera Acantholyda, Cephalcia, and Neurotoma (Hymenoptera: Pamphiliidae)
Middlekauff W.W. 1958. University of California Publications in Entomology 14: 51-174.
3.The North American sawflies of the genus Pamphilius (Hymenoptera: Pamphiliidae)
Middlekauff W.W. 1964. University of California Publications in Entomology 38: 1-80.