Osmia (Melanosmia) clarescens Cockerell, 1911

Pedro, Diego De, Ceccarelli, Fadia Sara, Sagot, Philippe, López-Reyes, Eulogio, Mullins, Jessica L., Mérida-Rivas, Jorge A., Falcon-Brindis, Armando, Griswold, Terry, Ascher, John S., Gardner, Joel, Ayala, Ricardo, Vides-Borrell, Eric & Vandame, Rémy, 2024, Revealing the Baja California Peninsula’s Hidden Treasures: An Annotated checklist of the native bees (Hymenoptera: Apoidea: Anthophila), Zootaxa 5522 (1), pp. 1-391 : 360

Osmia (Melanosmia) clarescens Cockerell, 1911

[ Holotype: USNM; ♀ Claremont , California, USA]

Osmia clarescens is possibly the most abundant Osmia species in BC. We reviewed specimens collected in the Baja California Mountains in April 1988 (6 ♂), and Central Desert in March 1981 (1 ♂), and April 1982 (18 ♀, 2 ♂; SDNHM). The BBPT collected this species in the Coastal Sage Matorral in April 2021 (5 ♀), and 2022 (6 ♀); Chaparral in May 2022 (1 ♀); and the Central Desert in March 2021 (23 ♀, 1 ♂). Voucher specimens are in MABC, and ECOAB. See fig. 259.