Calliopsis (Hypomacrotera) subalpina Cockerell, 1894

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 : 75

Calliopsis (Hypomacrotera) subalpina Cockerell, 1894

[ Holotype: ANSP; ♂ Las Cruces , Doña Ana Co., New Mexico, 1893]

This species occurs in the southwestern USA and northern Mexico. The AMNH reports one female collected in the Lower Colorado Desert San Felipe , BC in March 1967 ( GBIF 2023). We corroborate 24 specimens (15 ♂, 9 ♀) from the Lower Colorado Desert 15 mi. S Palacio, Mexicali, BC ( CASC). See fig. 27.