Centris ruthannae Snelling, 1966

Centris (Melanocentris) ruthannae SNELLING, 1966: 28 .

Type data. This species was proposed based on male and female specimens collected by the surgeon and former director of Science of the Los Angeles County Museum John Adams Comstock (1883‒1970) at Santa Rita Mountains, Arizona State, United States. The holotype male is currently housed at LACM. Paratype male with the following data label: Baboquivari Canyon W. side Baboquivari Mts. Pima Co.Ariz. 25-27: VII.52 [printed]\ H. B. Leech J. W. Green Collectors [printed]\ PARATYPE printed] Centris (Melanocentris) ruthannae ♂ [handwritten] R. R. Snelling [printed] (CAS).

Type locality. United States: Arizona State: Madera Canyon.