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Photo#75893
Spider Wasp - Pompilid - Auplopus

Spider Wasp - Pompilid - Auplopus
Cross Plains, Dane County, Wisconsin, USA
September 7, 2006
This is for Nick. I took more photos of the spider wasp (the last photos were from August 18, 2006). Thought you might be interested to see that it is still displaying the same behavior. I did get a photo (frass quality) of the wasp flying which shows it extended while flying. This photo was taken on the same plants as the photos in August.

Images of this individual: tag all
Spider Wasp - Pompilid - Auplopus Spider Wasp - Pompilid - Auplopus

Strange.
I do know that Auplopus are among the few pompilids that fashion mud nests instead of digging burrows or using existing cavities, and the female uses the flattened tip of her abdomen as a "trowel" to shape the wet mud. She strikes this same pose while doing so, but I don't have an explanation for this behavior in the absence of the nest.

 
Neither do I...
the only time I've seen a spider wasp in this pose is when it was threatening ants that got to close to the burrow it was constructing. I have no explantion, either.

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