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Subfamily Tenthredininae

Twins - Macrophya sawfly larva Tenthredinidae, frontal - Macrophya Tenthredinidae, lateral colorful common sawfly - Macrophya varia Tenthredo - Tenthredo verticalis Macrophya sp.? - Macrophya Red - Tenthredo obscuripennis
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
188 spp. in 10 genera in our area;(1)(2) 1566+ spp. in 28 genera worldwide

Macrophyini
1. Deda (3 spp.)
2. Macrophya (46 spp.)
3. Pachyprotasis (1 sp.)
Perineurini
4. Leucopelmonus (1 sp.)
Sciapterygini
5. Filacus (4 spp.)
6. Zaschizonyx (1 sp.)
Tenthredinini
7. Lagium (1 sp.)
8. Rhogogaster (4 spp.)
9. Tenthredo (120 spp.)
Tenthredopsini
10. Aglaostigma (7 spp.)
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)
Remarks
This is the world's largest sawfly subfamily.
Works Cited
1.Catalog of Hymenoptera in America North of Mexico
Karl V. Krombein, Paul D. Hurd, Jr., David R. Smith, and B. D. Burks. 1979. Smithsonian Institution Press.
2.Nomina Insecta Nearctica
Poole, Robert W. Nearctica.com, Inc.
3.The genera and subgenera of the sawflies of Canada and Alaska (Hymenoptera: Symphyta)
Goulet H. 1992. The insects and arachnids of Canada, Pt. 20. Ottawa: Agriculture Canada. 235 pp.
4.List of the Sawflies (Hymenoptera: Symphyta) of Virginia
Smith D.R. 2006. Banisteria 28: 3‒23.