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Unknown wasp or bee nest

Observed: 20th July 2013 By: thoreau22

Can anyone help me identify the bees or wasps that are making this nest, please? It is in my garden. They have excavated a sizable cavity in the earth. There are little balls of earth strewn at the entrance, and I can see them carrying them out. There is a tremendous amount of activity, they are coming and going every few seconds. They are quite small; much smaller than bumble bees. I assume they are a species of wasp, but I had no idea that wasps excavated cavities in mud.


No identification made yet.

Species interactions

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