Perdita (Perdita) genalis Timberlake 1964

Perdita (Perdita) genalis Timberlake, 1964 [Holotype: UCRC; ♀ Borego Valley, San Diego Co., California, USA; April 26, 1954] Perdita genalis specializes on pollen from Parkinsonia L. and Prosopis L., both in the family Fabaceae (Fowler 2020). We reviewed 53 specimens collected in the Lower Colorado Desert, of which 45 were captured in April 1939, and eight in April 1965. Additionally, we examined one female collected in the Sarcocaulescent Shrubland in April 2018 by SDNHM. Preserved specimens are vouchered at SEMC and SDNHM. See fig. 50.