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Discussion of 2018 gathering

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

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Photo#906687
Holes in soft rock

Holes in soft rock
Scotts Bluff, Scotts Bluff County, Nebraska, USA
August 8, 2013
Are these wasp burrows or erosion?

Moved

Moved

Moved
Moved from ID Request.

Sandstone-boring insects...
the only one I know of is Macrotera opuntiae. It may get that far east, but I'm not sure offhand.

 
See also...
Anthophora in holes in sandstone.

 
Hmm...
Duly noted.

 
Another rock miner
Coincidentally, I just read about the European Colletes daviesanus, which nests in sandstone and will also use stone and mortar buildings.

 
Opuntia is present
There is Opuntia in the vicinity and the climate is not much different from other places where the bee has been found.

 
Sounds good
If it occurs in both North Dakota and central Texas, then Nebraska seems perfectly plausible.

 
Plausible is not good enough
For proposing a species-level ID

Also not the best idea to ID honey bees to subspecies based on color. Most are surely hybrids anyway

 
Honey bees?
I don't believe I've ever identified a honey bee to subspecies, but maybe that comment was directed to John?

Regarding the sandstone-boring Anthophora, are you aware of any literature accounts of that? I'd like to learn more about it.

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