Presumed to be female--was entering Andrenid nests, presumably to lay eggs. John Ascher identifies this as a female
Nomada imbricata:
I am placing all related images there--presumably the same species, since all were active at the same time in the same Andrenid colony.
Contributed by
Cotinis on 26 April, 2009 - 8:17am
Last updated 13 June, 2009 - 7:12pm