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For Insects, Spiders & Their Kin
For the United States & Canada
Photo#681395
Black and yellow sawfly with black and yellow antennae - Tenthredo maxima - female

Black and yellow sawfly with black and yellow antennae - Tenthredo maxima - Female
Southwest of Twin Lakes, Chaffee County, Colorado, USA
July 27, 2012
It was at about 12,000 feet elevation.
Macrophya?

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Black and yellow sawfly with black and yellow antennae - Tenthredo maxima - female Black and yellow sawfly with black and yellow antennae - Tenthredo maxima - female

Moved
Moved from Common Sawflies.

Tenthredinidae, Tenthredininae
Tenthredo maxima (Norton), female