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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » "Parasitica" - Parasitoid Wasps » Chalcidoid Wasps (Chalcidoidea) » Pteromalid Wasps (Pteromalidae)
Photo#506530
Platygastrid? from goldenrod rosette gall
Copyright © 2011 Charley Eiseman

Platygastrid? from goldenrod rosette gall
Florence, Hampshire County, Massachusetts, USA
Size: 1.5-2 mm
On 4/15/2011, I checked the bag containing these galls

and found this wasp, along with six more torymids.
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Contributed by Charley Eiseman on 17 April, 2011 - 1:35pm
Last updated 17 April, 2011 - 6:18pm

Moved
Moved from "Parasitica" (parasitic Apocrita).
Thanks. I just returned from a walk and found two more of these in the bag, plus one more torymid. Wonder if any of these galls will produce the gall inducer...
The other one I photographed looks a little different:
… Charley Eiseman, 17 April, 2011 - 6:18pm login or register to post comments

Pteromalid…
Long antennae, a wide mesoscutum, and wing venation leave little doubt (platygastrids have virtually no wing venation).

See reference here.
… Ross Hill, 17 April, 2011 - 3:14pm login or register to post comments

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