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kwanjin (Zone 7a) May 04, 2014

My husband found these. What are they? I feel I should know this but the name eludes me.

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Flapdoodle Minot, ND May 04, 2014

Where exactly were they found, and what is their approximate size?

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kwanjin (Zone 7a) May 04, 2014

We found them along the upper edge of a window screen. About a dozen or more. They are an inch or so long and were attached with what appeared to be insect silk. I can open one if you want me to.

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Flapdoodle Minot, ND May 04, 2014

These do appear to be cocoons of some sort. Try cutting one open carefully with a razor or very sharp knife, and if there appears to be a pupa of some kind inside, try to get a clear image of it.

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kwanjin (Zone 7a) May 04, 2014

It looks wasp-ish to me. Is it?

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Flapdoodle Minot, ND May 05, 2014

Yes, these are wasp cocoons - specifically, they appear to be grass-carrying wasps in the family Sphecidae - see http://www.ipm.iastate.edu/ipm/hortnews/2011/10-12/grasscarrier.html

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kwanjin (Zone 7a) May 05, 2014

Thank you. So great to learn something new.

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