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For Insects, Spiders & Their Kin
For the United States & Canada
Longhorn Beetle - Necydalis mellita - male

Longhorn Beetle - Necydalis mellita - Male
Winfield, DuPage County, Illinois, USA
June 12, 2005
Size: 20mm
The antennae of a longhorn beetle, the wings of a sawfly, the body of an ichneumon wasp, and some sort of nub elytra wannbees.. ? What izzit?
More, larger images at Longhorn Beetle Necydalis

Possibly Necydalis melita, longhorn beetle
Agrees on size, general description, range and visual in plate 15 of Yanega's Field Guide to Northeastern Beetles.

Did I find a female? http:
Did I find a female?

You did!
Indeed. Wow it only took me 18 years to see your comment and look at your pic. :) Cheers! (Feb. 2023)

I agree.
Bingo! A very distinctive genus. This one is a male, as females are larger, with a tapering ovipositor at the tip of the abdomen.

Thanks, Jim
Wow, thanks, Jim. I never would have found that in a million years.