Best Primitively Social
Agapostemon virescens, commonly known as the bicolored striped-sweat bee, is a species of ground-nesting bee native to North America. It is frequently observed in urban and suburban environments where it forages for nectar and pollen. The species exhibits notable sexual dimorphism; females possess a...
The orange-legged furrow bee, Halictus rubicundus, is a ground-nesting sweat bee in the family Halictidae with a broad Holarctic distribution across Europe, Asia, and North America. Females excavate nests in soil and provision brood cells with pollen and nectar. The species is notable for facultativ...
Halictus ligatus, or the ligated furrow bee, is a common North American sweat bee known for its primitively eusocial behavior and nesting in bare or sparsely vegetated soil.
Dialictus zephyrus is a small North American sweat bee in the family Halictidae, also classified under the name Lasioglossum zephyrum. It nests in the ground and can form colonies in which a reproductive female is assisted by other females, making it a frequently studied example of primitive eusocia...
Halictus tumulorum is a species of sweat bee found throughout Europe and parts of Asia. It belongs to the family Halictidae and is known for its primitively eusocial behavior, where a founding queen is joined by worker daughters who help maintain the colony. The species nests in the ground, often in...
Lasioglossum pauxillum is a small ground-nesting sweat bee found across Europe and North Africa. Belonging to the family Halictidae, the species is known for its primitively eusocial colony structure, where a single queen initiates a nest in the spring before raising workers to assist in foraging an...
Augochlorella gratiosa is a small sweat bee species belonging to the family Halictidae, widely distributed across North America as a generalist pollinator.
The Brown-winged Sweat Bee is a widespread North American insect notable for its communal ground-nesting behavior, where multiple females often share a single entrance.
