Diadasia (Coquillettapis) tuberculifrons Timberlake 1939

Diadasia (Coquillettapis) tuberculifrons Timberlake, 1939 [Holotype: CASC; ♂ near Westmoreland, Imperial Co., California, USA; May 31, 1930] This species is uncommon throughout its range and is a new record for the BCS state. D. tuberculifrons specializes on pollen from plants in the genus Sphaeralcea A. St. - Hil. (Malvaceae) (Sipes & Tepedino 2005). In the BCP, it had only been recorded by the UCRC in BC in Coastal Sage Matorral in 1972. CARCIB team collected one female in the Gulf Coast in La Paz in 2019. Additionally, the BBPT collected two males in the Gulf Coast at Mulegé City in March 2021 and 37 specimens (30 ♀, 7 ♂) in the Lower Colorado Desert in June 2021. Voucher specimens are in MABC, and ECOAB. See fig. 97.