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Photo#169914
Andrena (Melandrena) transnigra Viereck, 1924 - Andrena transnigra - female

Andrena (Melandrena) transnigra Viereck, 1924 - Andrena transnigra - Female
Anacortes Community Forest Lands, Skagit County, Washington, USA
April 28, 2007
Size: ~15 mm
Part of a colony of single bee burrows on a dry slope near the shore of Whistle Lake.

Update, these A. transnigra s. str.
should be rechecked vs. newly split A. cyanura. See https://journal.entsocbc.ca/index.php/journal/article/view/2515

Andrena (Melandrena) transnigra Viereck, 1924
female

 
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