Genus
Lasioglossum
The sweat bee genus Lasioglossum is the largest of all bee genera, containing over 1700 species in numerous subgenera worldwide. They are highly variable in size, coloration, and sculpture; among the more unusual variants, some are cleptoparasites, some are nocturnal, and some are oligolectic. Most Lasioglossum species nest in the ground, but some nest in rotten logs.