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Information about the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

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Subfamily Tenthredininae

Sawfly - Tenthredo basilaris - female black and yellow wasp - Macrophya bifasciata sawfly larva on elderberry - Macrophya Common Sawfly? - Tenthredo Sawfly? - Tenthredo verticalis - female sawfly - Tenthredo verticalis - female Wasp ? - Tenthredo obscuripennis Wasp on Lupine - Tenthredo
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 Tenthredinidae (Common Sawflies)
Subfamily Tenthredininae
Numbers
~190 spp. in 10 genera in our area(1), >1720 spp. in 33 genera worldwide (world's largest subfamily)(2)
Identification
One characteristic of this subfamily are the 7 annulates on each abdominal segment of the larvae. Most other tenthredinids have 5 or 6.
Range
arctic to temperate regions of the northern hemisphere(3)
Food
larvae are external leaf feeders; host plants are poorly known but include numerous families of flowering plants, conifers, and even ferns(3)(4)