Flower-Visiting Insects
of Bebb's
Willow
Salix bebbiana (Bebb's Willow)
(Information is restricted to Andrenid bees and bee flies; Andrenid bees suck nectar or collect pollen, while the bee fly sucks nectar; these observations are from Graenicher and Krombein et al. as indicated below; information about oligolegy in bees is from Krombein et al.)
Bees (short-tongued)
Andrenidae (Andreninae): Andrena erythrogaster cp olg (Kr), Andrena imitatrix imitatrix (Kr), Andrena salictaria cp olg (Kr), Andrena sigmundi cp olg (Kr)
Flies
Bombyliidae: Bombylius major sn (Gr)