THE SMALLER BEES OF THE GENUS ANDRENA FOUND IN NEW MEXICO
None of the species herein described or listed are as much as 10 mm. long.I. Marginal cell truncate: The species of this section are not true Andrena, but will form a distinct genus, apparently as near to Prosapis as to Andreua. Two of the larger species, A. asclepiadis, Ckll., and A. mexicanorum, Ckll., are congeneric. I have before me also a species from Texas.
2019 ◽
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1989 ◽
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