In Québec, the genus Lasioglossum (family Halictidae) counts 15 species of insects. The stars? Leathery Sweat Bee, White-banded Sweat Bee and Deep-blue Sweat Bee, the most often observed. The richest region: Montréal, with 7 species. Every species has its own page: photos, its season, its habitat and the best places to see it near you.