newtoyou wrote:
The yellow 'lump' on the two legs is pollen.
The females share a community tunnel, in bare ground, with numerous chambers. Each stocked with pollen and one egg.
This probably is the Agepostemon Sweat Bee.
Agepostemon virescens.
The last two the same, I believe, just no dusting with pollen yet.
Bill
Thanks for sharing your knowledge.