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For Insects, Spiders & Their Kin
For the United States & Canada
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Fall Fund Drive


Subfamily Heterarthrinae

Tenthredinidae larvaX in Violet - Nefusa ambigua Ovipositing Sawfly on dewberry - Metallus rohweri - female Unid Leafminer WWra1 - Metallus rohweri Bog Birch, opened blotch leaf mine  - Profenusa thomsoni Gracillaria syringella mines on Rubus - Metallus capitalis Alnus host - Fenusa dohrnii Blotch mine on river birch - Fenusa pumila Sandy Creek Park leaf miner on Viola D441 2017 2 - Nefusa ambigua
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 Heterarthrinae
Synonyms and other taxonomic changes
nearctic fauna revised in(1)
Explanation of Names
Heterarthrinae Benson 1952
~40 spp. in 13 genera in our area(2), 250 spp. in ~40 genera total(3)
by far most diverse in Eurasia and NA (a few in n. Africa and South America)(4)
includes some of the most economically important sawflies(1)