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Photo#174625
bean weevil parasites - Urosigalphus - male - female

bean weevil parasites - Urosigalphus - Male Female
Anza-Borrego, California, USA
Size: 3 mm
Emerged from screwbean mesquite pods I had in a jar, along with these beetles.

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bean weevil parasites - Urosigalphus - male - female bean weevil parasites - Urosigalphus - male bean weevil parasites - Urosigalphus - male bean weevil parasites - Urosigalphus - male

Urosigalphus sp. -- Paul Marsh det.
Moved from Cheloninae.

Braconidae.
These are braconids, possibly Chelonus, or something in that subfamily (indicated by the total fusion of the dorsal abdominal segments).

 
Known braconid parasitoids of this beetle:
Doryctinae: Heterospilus prosopidis Viereck
Doryctinae: Stenocorse bruchivorus (Crawford)
Helconinae: Urosigalphus bruchivorus Crawford

[from Krombein et al 1979, Catalogue of Hymenoptera]

...for whatever that's worth...