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Photo#57358
Xylomya - Xylomya tenthredinoides - male - female

Xylomya - Xylomya tenthredinoides - Male Female
Harms Woods Forest Preserve, Glenview, Cook County, Illinois, USA
June 9, 2006
Size: ~12 and 10 mm
Went back the following week and found them paired up.

Moved
Moved from Xylomya.

A pair of mating X.tenthredin
A pair of mating X.tenthredinoides

Xylomya sp.
This is definitely Xylomya

Looks right
This would be the third species in the last month or so. Jeesh. And what an outbreak you are having there.

 
Interestingly, a couple of the other images
have been identified as Xylophagus reflectens. See and .
But ours does have the orange abdomen!

 
The other one
Was a Xylomya species though from Jim's downed apple tree. Yours looks different from both.

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