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Andrena  - Andrena sola - female

Andrena - Andrena sola - Female
Santa Barbara Botanic Garden, Santa Barbara County, California, USA
April 27, 2009
Size: ~12mm
In a Verbena lilacina variety at the gardens.
Is this an Andrena (Trachandrena)?


I am now confident it is A. sola
because sola is expected in Santa Barbara Co. whereas the very similar A. subtilis should not occur there (see revisions)

Thanks John,
for revisiting this!

reminds me of Andrena (Melandrena) sola
but I'm not certain

Thanks, John -
Robbin Thorp & Gordon Frankie have been sampling bees at a nearby school garden, last year I think. Perhaps they have seen this, & perhaps I'll get more photos &/ or a specimen on a sunny day.

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