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What's this?

What's this?
San Pedro River Valley, SE of San Manuel, Pinal County, Arizona, USA
March 30, 2014
Size: 10 mm
I found this on an old corn leaf; I think it is a caterpillar with some parasites - would that fit and any idea what kind of parasites? Thanks. Probably a frassable image unless it serves some purpose somewhere.

Moved from ID Request.

Caterpillar with parasitoid cocoons
The cocoons belong to microgastrine braconids. I think the caterpillar is a lycaenid.

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