Perdita (Pygoperdita) malacothricis Timberlake 1956

Perdita (Pygoperdita) malacothricis Timberlake, 1956 [Holotype: UCRC; ♀ Whitewater Canyon, Riverside Co., California, USA; April 25, 1936] Perdita malacothricis was reported in BC by Ayala et al. (1996). This species specializes on pollen from several plant genera in the family Asteraceae: Atrichoseris A. Gray, Baileya Harv. & A. Gray ex A. Gray, Chaenactis DC., Malacothrix DC., Rafinesquia Nutt., Stephanomeria Nutt. (Fowler 2020). We reviewed one female collected in the Central Desert in April 1976 (EMEC). Additionally, the BBPT collected one female in La Rumorosa within the BC Mountains in May 2022 (MABC). See fig. 65.