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Photo#65829
Digger Wasp - Ammophila - female

Digger Wasp - Ammophila - Female
South Umpqua, Douglas County, Oregon, USA
July 20, 2006
In the late morning, there were several of these wasps digging holes in a small area. Later on, one of these wasps returned with a grasshopper prey. I assumed that the wasp had paralyzed its prey, so that it could eventually lay its egg in it. Images of the one with the grasshopper prey can be found at http://bugguide.net/node/view/65831 and http://bugguide.net/node/view/65830

Ammophila sp. (Sphecidae)
Do they take grasshoppers?

 
No, only caterpillars.
Ammophila hunt exclusively caterpillars. Sphex and Palmodes are the genera in Oregon that take katydids (see images of wasp with prey from same location).

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