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For Insects, Spiders & Their Kin
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Stinging nettle galls - Dasineura investita

Stinging nettle galls - Dasineura investita
Cedar Rapids/ICNC, Linn County, Iowa, USA
July 10, 2011
Size: 7mm
upper surface of leaf, detachable

Dasineura investita
Joe, this is the gall of Dasineura investita Plakidas 2012 (Cecidomyiidae).

Moved from ID Request.

These are on Laportea canadensis, right, rather than Urtica sp.?

most likely
but is it different than these

I think they are probably the same
or if not, they are another, closely related undescribed Dasineura species, so we might as well keep them all in the same section until somebody names them.