Lasioglossum (Dialictus) tuolumnense Gibbs, 2009

Comments. Lasioglossum tuolumnense is a member of the L. petrellum species complex (Gibbs 2009). Originally described from the Sierra Nevada Mountains of California, United States of America, a single male was documented from British Columbia, Canada, based on morphology and DNA barcode data (Heron and Sheffield 2015).