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THE SMALLER BEES OF THE GENUS ANDRENA FOUND IN NEW MEXICO

Published online by Cambridge University Press:  31 May 2012

T. D. A. Cockerell
T. D. A. Cockerell
Affiliation:
Mesilla, New Mexico.
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Extract

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.

Type
Articles
Information
The Canadian Entomologist , Volume 28 , Issue 7 , July 1896 , pp. 179 - 184
Copyright
Copyright © Entomological Society of Canada 1896

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References

* Andrena maurula, n. sp.—Female. Length nearly 10 mm. Black, no more pubescent than a Prosapis, strongly punctured. Head broader than long, face very broad; eyes rather small, dull olive green; clypeus arcuate below, its upper half, just enclosing the black dots, and extendingd as a rounded lobe downwards in the median line, pale primrose yellow. A very narrow, sometimes interrupted, pale yelloe supraclypeal transverse mark. Labrum prominent, truncate, with a small longitudinal keel. Clypeus with large but rather sparse punctures, median line impunctate. Front and vertex closely punctured. Antennæ short, dark brown, scape punctured. Thorax somewhat shining, bare except the minutely pubescent hind border of prothorax, lower part of pleura, and lateral angles of metathorax. Median and parapsidal grooves distinct. Mesothorax and scutellum strongly and closely punctured; postscutellum and metathorax slightly brownish, coarsely granular, or so closely punctured as to seem so; metathoraz with a deep pit, enclosure not defined, except by an impunctate band at sides, basally very obsecurely wrinkled. Tubercles light yellow, tegulæ testaceous with a yellow patch. Wings stained with ferruginous, nervures and stigme dark rusty brown, marginal cell truncate. Legs dark brown, the four anterior knees light yellow. Abdomen strongly and closely punctured, segments after the first with more or less distinct lateral basal white hair-bands. Anal fimbria ochreous. Hairs on venter more or less tinged with ochreous.

Habitat.—Texas; three collected by Belfrage, and now in U. S. Nat'l Museum.