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Photo#118230
yellow-bellied wasp - Exenterus

yellow-bellied wasp - Exenterus
Port Franks Forested Dunes, Lambton, Ontario, Canada
May 10, 2004
Size: body about 10 mm
A pupal case (7 mm long) was collected 11 Apr 2004 from a sand dune bordering Lake Huron. A wasp emerged from the case on 9 May but died the next day, shortly before these photos were taken. I've been unable to find photos of anything with such extensive yellow on the underside.

These photos were originally posted on 5 Dec 2004 and then deleted after going unidentified for 2 years.

Images of this individual: tag all
yellow-bellied wasp - Exenterus yellow-bellied wasp - Exenterus yellow-bellied wasp - Exenterus yellow-bellied wasp case - Exenterus

Moved

Moved
Moved from Exenterus.

Moved
Moved from Ichneumon Wasps.

No ID, but a possible match...
The cocoon this wasp came from looks like that of a diprionid sawfly, and the wasp very closely resembles one I reared from a diprionid cocoon (also in 2004, oddly enough):

...and this one looks pretty similar too:

 
Eclytus?
Bob Carlson has identified mine as Eclytus... with any luck he'll get to yours eventually and confirm.

 
that was a lapsus calami; he meant Exenterus, in fact
[pers.comm.]

Moved
Moved from Black and Yellow.

Moved
Moved from Ichneumon Wasps.

Moved

I am glad
that you posted them again. Maybe we are getting a little more enlightened by now and do better this time. Interesting images.

 
The odd thing about the pupal cases
was their location - lying unprotected on the sand not attached to anything; I remember several cases being blown across the dunes by the wind, and that's what caught my eye. If they had been buried at one time, perhaps the wind unearthed them?

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