A, B Ptilothrix chiricahua sp. nov. male genital capsule A dorsal view B ventral view C, D Ptilothrix zacateca sp. nov. male genital capsule C dorsal view D ventral view E, F Ptilothrix sumichrasti male genital capsule E dorsal view F ventral view G, H Ptilothrix bombiformis male genital capsule G dorsa view F ventral view.

  Part of: Flórez-Gómez N, Danforth B (2023) The North American bees of the genus Ptilothrix Cresson, 1878 (Hymenoptera, Apidae, Emphorini), with the description of two new species. Journal of Hymenoptera Research 95: 275-293. https://doi.org/10.3897/jhr.95.96025