New state records, annotated checklist, and distribution of Lasioglossum Curtis bees in Idaho (Hymenoptera: Halictidae)

An annotated checklist of the 62 species of Lasioglossum Curtis (Hymenoptera: Halictidae) bees present in the state of Idaho is provided, including 35 new state records. The checklist is based on label data from 5,252 preserved museum specimens and 75 additional records from published literature. A detailed distribution map and a phenology graph are provided for each species, in addition to floral association records based on field survey data and museum specimen label data.