Specimen found deceased on the trail and was collected for NPS biologists.
Larger bee near the individual found dead on trail. Was digging, possibly queen.
some of these Crotch's I saw this day could be repeats. I separated out the photos by how much pollen was on the leg. This one has not very much but could have got more 30 or 60 min later. Some of them had breaks in the lower band and some did not, so that shows me at least there were distinct individuals
On Salvia leucophylla.
Oro Vista Park
The insect was observed inspecting the flowers. It appeared to be moving very quickly from one flower to the next and did not spend much time at any particular flower.