Taxonomic notes on the primary types of some species of Centris bees described by some entomologists from the Americas (Hymenoptera: Apidae) Author Vivallo, Felipe text Iheringia, Série Zoologia 2023 e 2023003 2023-04-07 113 1 18 https://www.mendeley.com/catalogue/7ff3189b-0554-37b7-b860-b762523658a6/ journal article 10.1590/1678-4766e2023003 1678-4766 10525769 Centris angustifrons Snelling, 1966 Centris ( Paracentris ) angustifrons SNELLING, 1966: 13 . Type data. SNELLING (1966) proposed this species based on a single female specimen collected by the professional insect collector Ernest John Oslar (1858‒1944) at Huachuca Mountains , Arizona State , southern United States . The type specimen is currently housed at LACM . Type locality. United States : Arizona State : “ Huachuca Mountains .