Very large, queen?
Queen caste bee foraging on Astragalus trichopodus
Queen caste observed foraging on Salvia apiana then flying directly down to and beneath a dead Artemisa californica. She emerged about 5 min later and flew off. She did not appear to be searching for a burrow but making a predetermined visit to that location. She did not return for the next 15 min. I will follow up in a couple weeks to look for evidence of nesting activity
Kah Tai Prairie - PT Golf Course property.
Only a few Bombus were observed this trip - Golf Course construction, heavy logs and debris have covered the ground nesting bee habitat early nesting season. The Bombus pollinators may be doing all the heavy lifting this season at the Prairie. I observed the disruption of the ground nesting bee site as nesting and construction began late March and early April.
Found dead at nest entrance
Seen a few minutes before survey start on road above transect.
Seen a few minutes before survey start on road above transect.
released after photo