Nematinus is a genus of sawflies belonging to the family Tenthredinidae.
The species of this genus are found in Europe, Easternmost Asia and North America.
Species: Nematinus acuminatus (Thomson, 1871) Nematinus caledonicus (Cameron, 1882) - rarely found in Central Europe, including Slovakia Nematinus bilineatus (Klug, 1819) Nematinus ochreatus (Rohwer, 1910) - found in North America Nematinus parsebenus Smith 1986 Nematinus pontanioides (Marlatt, 1896) - found in Alaska Nematinus unicolor (Dyar, 1895)
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