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Photo#879913
Chalcidoid ex Quercus nuttallii acorn gall - Ormyrus - male

Chalcidoid ex Quercus nuttallii acorn gall - Ormyrus - Male
Winona, Montgomerey County, Mississippi, USA
Size: 2.1 mm
Emerged some time in 2013 from an acorn gall collected in fall of 2011.
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Chalcidoid ex Quercus nuttallii acorn gall - Ormyrus - male Chalcidoid ex Quercus nuttallii acorn gall - Ormyrus - male

Moved
Ki>Ormyrus confirmed as only Nearctic genus of Ormyridae by my chalcid contact.

Moved from Ormyridae.

Moved
Per my chalcid contact, who says it is probably Ormyrus.

Moved from Chalcid Wasps.

 
Aha
There were others in this rearing that looked like this:

Maybe they're the same species, since the galls were the same, though a different oak species and collection site. Evidently my gestalt for Orymus only includes females.

According to the guide page, Ormyrus is the only Nearctic genus in Ormyridae.

 
Correct
This appears certain. The UCD has a function called Regional Lists of Chalcidoids, and I generated a list for the Nearctic Region. Under Ormyfidae, the list only includes species of Ormyrus, 20 of them to be exact.