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Photo#275913
Cocoons. Lucky me! - Cotesia

Cocoons. Lucky me! - Cotesia
Pennypack Restoration Trust, Montgomery County, Pennsylvania, USA
May 16, 2009
Size: +/- 2mm.
No matter how long I chilled them, they kept moving. Freezing them for less than a minute didn't help either. So, unfortunately I overdid it. If I get a better photo I will replace this.
5.17.09, I got a better one.

Update, 2/20/10: I think that the plant is Tradescantia virginiana; only two species of Lepidoptera are listed using this plant in HOSTS, one Noctuidae and one Sphingidae: Spodoptera dolichos and Darapsa choerilus. Maybe this will help in narrowing down the species of the parasitic wasp.

Higher resolution image

Images of this individual: tag all
Cluster of little cocoons? - Cotesia Cocoons. Lucky me! - Cotesia Cocoons. Lucky me! - Cotesia

Thanks again
Moved from Braconid Wasps.
Another Cotesia? How did the cocoons end up on a leaf? I thought that they would cling to the host, but I have a lot to learn.

Microgastrinae: Cotesia…
The distinctive antennae (32 apparent, but 16 actual flagellomeres), coloration, and wing venation ID this subfamily. The wrinkled propodeum IDs the genus.

See reference here.

Braconidae
Some braconids pupate gregariously in conspicuous cocoons around the carcass of their host.

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