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Photo#1143065
horntail - what species? - Tremex columba

horntail - what species? - Tremex columba
Hartland, Windsor County, Vermont, USA
September 17, 2015
I would love to know what species of horntail this is, and if male horntails have spines at the tip of their abdomen, too.

Moved
Moved from ID Request.

Pigeon Tremex (female)…
The extended "spine" is the ovipositor, only present in females.

See reference here.

 
horntail
Thank you!

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