Revealing the Baja California Peninsula’s Hidden Treasures: An Annotated checklist of the native bees (Hymenoptera: Apoidea: Anthophila) Author Pedro, Diego De Author Ceccarelli, Fadia Sara Author Sagot, Philippe Author López-Reyes, Eulogio Author Mullins, Jessica L. Author Mérida-Rivas, Jorge A. Author Falcon-Brindis, Armando Author Griswold, Terry Author Ascher, John S. Author Gardner, Joel Author Ayala, Ricardo Author Vides-Borrell, Eric Author Vandame, Rémy text Zootaxa 2024 2024-10-11 5522 1 1 391 http://dx.doi.org/10.11646/zootaxa.5522.1.1 journal article 10.11646/zootaxa.5522.1.1 1175-5334 13920532 2640192E-0A2B-49C9-BB35-D43AF0263E51 Anthidiellum (Loyolanthidium) robertsoni (Cockerell, 1904) [ Type: USNM ; ♀ Rock Creek ?, California , USA ] This species is native to western North America , including throughout the entire BCP . ASUHIC , BBSL and SEMC report specimens collected in the Coastal Sage Matorral , Chaparral , Succulent Coastal Matorral , Vizcaíno Desert , Magdalena Plains , Gulf Coast , and Sarcocaulescent Shrubland ( GBIF 2023 ). The BBPT collected specimens in the Gulf Coast in March 2021 ( 1 ♂ , 1 ♀ ); Coastal Sage Matorral ( 3 ♂ ), Chaparral ( 5 ♂ ), and the Baja California Mountains in Sierra San Pedro Mártir ( 2 ♂ ) in May 2022 ; and Central Desert in April 2023 ( 1 ♂ ). Voucher specimens are in MABC , and ECOAB . See fig. 194 .