Day 17 for the resident male.
Turned out to be the last day I saw him, but not a bad run for a male bumble.
A juvenile P. audex? A split-second later, spider with bee toppled to the ground. Bee was an unlucky male Andrena, subgenus Melandrena.
bee’s observation, from a couple of minutes earlier:
https://www.inaturalist.org/observations/209109201