Descriptive taxonomic accounts are presented for sundry colletid bees, with the following new taxa established: Oxaeaphron subgen. n. (Diphaglossinae: Caupolicanini: Zikanapis Moure); Schedanthoglossa subgen. n. (Neopasiphaeinae: Anthoglossini: Anthoglossa Smith); and Eremohyleoides gen. n. (Hylaeinae: Hyleoidini). Revised keys are provided to the genera of Caupolicanini, the subgenera of Zikanapis , the subgenera of Anthoglossa , and the genera of Hyleoidini.
Michael S. Engel (Fri,) studied this question.