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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » "Parasitica" - Parasitoid Wasps » Platygastroidea » Platygastridae » Platygastrinae » Platygaster
Photo#462873
From goldenrod bunch galls - Platygaster
Copyright © 2010 Beatriz Moisset

From goldenrod bunch galls - Platygaster
Peace Valley Nature Center, Bucks County, Pennsylvania, USA
Size: ~ 1.5 mm
I guess that it is Platigaster, like the ones I found last year inside goldenrod bunch galls. Awaiting confirmation.
It came from the same galls where I found this Rhopalomyia solidaginis


More on goldenrod galls fauna.

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From goldenrod bunch galls - Platygaster From goldenrod bunch galls - Platygaster
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Contributed by Beatriz Moisset on 8 October, 2010 - 4:05pm
Last updated 5 January, 2019 - 4:22pm

Moved
Moved from parasitic Apocrita.
… Beatriz Moisset, 10 October, 2010 - 12:45pm login or register to post comments

Agree…
Features seem to match this group well including a strongly elbowed antennae, body length usually 1-2 mm, a glossy black and slender appearance, an abdomen with rounded lateral margins, and limited wing venation. Additionally, some species have unusual protuberances on the scutellum like this one. Finally, they primarily attack gall midges which you indicated is the host in this particular case. Platygaster works for me.
… Ross Hill, 10 October, 2010 - 11:40am login or register to post comments

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