Lasioglossum (Dialictus) petrellum

Lasioglossum (Dialictus) petrellum (Cockerell, 1903) [Holotype: USNM; ♀ San Pedro, California, USA; July 11] Lasioglossum petrellum inhabits the CFP and SD in the southwestern USA and the BCP, Mexico, where it has been previously documented in the Coastal Sage Matorral in the Coronado Islands, the Gulf Coast in Isla Carmen, and the Sarcocaulescent Shrubland ecoregions (Gardner & Gibbs 2020). The BBPT collected this species in the Coastal Sage Matorral in May (1 ♀), and June 2020 (1 ♀), July 2022 (1 ♀), and July 2023 (1 ♀); and in the Baja California Mountains in Sierra Juarez in May 2022 (2 ♀). Voucher specimens are in MABC, and ECOAB. See fig. 179.