Tansymustard Sweat Bee

The Tansymustard Sweat Bee (Lasioglossum sisymbrii) is a bee in the family Halictidae, found in the San Francisco Bay Area.

This species is a common and widespread member of the Lasioglossum genus, found at garden sites throughout California.

Its flight season is from March into August.

Tansymustard sweat bees are solitary bees that nest in the soil, often in flat, bare ground. Nests may be aggregated.