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Photo#427190
Wasp with fat ankles - Gasteruption assectator - female

Wasp with fat ankles - Gasteruption assectator - Female
Newton, Middlesex County, Massachusetts, USA
July 10, 2010
Size: 10 mm
Hind tibia (basitarsus?) very swollen, with spurs

Images of this individual: tag all
Wasp with fat ankles - Gasteruption assectator - female Abdomen - Gasteruption assectator - female Wings - Gasteruption assectator - female Antenna - Gasteruption assectator - female

Moved
Moved from Gasteruption.

Gasteruptiidae
Gasteruption assectator (Linnaeus). Though I can't see the antennal segments and hind tarsus very well, the sculpture of the mesonotal lateral lobes is agrees with G. assectator and it seem safe to call this G. assectator. This species is also more common in the East than the species with which it is sometimes confused (G. kirbii).

 
Pictures added
I added better pictures of antenna base and hind leg.

 
Thank you
for the additional pictures. Being able to see the 4th antennal segment confirms the id as G. assectator. The other character, the 2nd hind tarsal segment wasn't visible but really don't need to see it now.

Moved
Moved from Ichneumon Wasps.

Gasteruption sp. probably (assectator or kirbii)
Compare with the ones in the guide.

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