Ptilothrix sumichrasti A female lectotype habitus, lateral view B female lectotype habitus; frontal view C female lectotype, dorsal view D female lectotype habitus metasoma E male habitus, lateral view F male habitus, frontal view G male dorsal view H male metasoma.

  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.