Bee lollipop. Nic find by @sea-kangaroo.
Same bees roosting throughout the night
On Abutilon palmeri
On Barrel Cactus flower
Round and round she goes! Foraging on Calochortus splendens.
Female emerging from nest. About 6-8 Holcopasites ruthae were patrolling this nest aggregation today.
H. ruthae (kleptoparasite) female exiting Calliopsis pugionis (host) nest after host bee exits (see last photo). Third photo shot from opposite side shows H. ruthae waiting/lurking on rock at entrance to nest hole.