Flower-Visiting Insects
of Black
Bindweed
Fallopia convolvulus (Black Bindweed) introduced
(also referred to as Polygonum convolvulus; information is very limited; bees probably suck nectar; observations are from Krombein et al.)
Bees (short-tongued)
Andrenidae (Andreninae): Andrena persimulata; Andrenidae (Panurginae): Calliopsis andreniformis