Flower-Visiting Insects
of Crack Willow

Salix fragilis (Crack Willow) introduced
(bees suck nectar or collect pollen, the fairy moth sucks nectar, while flies and beetles suck nectar or feed on pollen; all observations are from Small)

Bees (long-tongued)
Apidae (Apinae): Apis mellifera; Apidae (Bombini): Bombus perplexus, Bombus sandersoni, Bombus ternarius, Bombus terricola

Bees (short-tongued)
Colletidae (Colletinae): Colletes inaequalis sn fq; Andrenidae (Andreninae): Andrena bradleyi sn, Andrena carlini, Andrena carolina sn, Andrena vicina sn fq

Muscidae: Spilogona fatima

Adelidae: Adela purpurea sn fq

Scirtidae: Cyphon variabilis (probably) fq