Autumn-bee
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Colletes hyalinus
polyester bee, plasterer bee, cellophane bee
Colletes hyalinus is a solitary ground-nesting bee in the family Colletidae, native to North America. The species belongs to a group commonly known as polyester bees or plasterer bees, named for the distinctive cellophane-like lining females create in their underground brood cells using secretions from the Dufour's gland. Three subspecies are recognized: C. h. hyalinus, C. h. gaudialis, and C. h. oregonensis. Like other members of the genus, this species exhibits protandry, with males emerging before females.