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McCarthy Lake Wildlife Management Area, Wabasha County, Minnesota, USA
August 8, 2016
Size: .5 mm
July 30, 2016: 2 lep larvae, one in each of 2 apical stems, collected on Western Ragweed, Ambrosia psilostachya
August 4, 2016: could find no larva in or associated with one of the stems, the other stem had what looked to be a pre-pupa larva
August 7, 2016: a tiny nearly dead wasp
August 8, 2016: a teeny live wasp
There was a time I would have posted this to Mymaridae but I see there are other families of tiny wasps.

Images of this individual: tag all
Trichogrammatidae Trichogrammatidae, dorsal

Moved from Chalcid Wasps.

See reference here.

I was so hoping
you would say that! Although I've posted a photo of one before, I did not find that one.

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