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Photo#1015646
Horn-tail Wasp Dies While Ovipositing  - Tremex columba - female

Horn-tail Wasp Dies While Ovipositing - Tremex columba - Female
Indian Creek Nature Center, Cedar Rapids, Linn County, Iowa, USA
October 27, 2014
I found this wasp attached to a maple tree trunk, and when approched, I noticed it didn't budge, after poking it a few times with a twig, I realized it had died apparently while ovipositing. Could it be a fungus? I noticed there were some white powder like granules on it's head and thorax region. This is what I possibly thought was fungus, or the beginning of fungal fruit, Cordyseps possibly?

a female Tremex columba
Moved from ID Request.

These wasps, after laying all their eggs, often die while still embedded in the tree. See

 
Interesting, thanks for the c
Interesting, thanks for the comment. I guess it never accured to me it could've just been natural.

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