Huacotilla Casal, 1962d . Physis, Buenos Aires 23: 259. Female, male.
Gender. Feminine.
Type species. Huacotilla diaguita Casal, 1962 (female), by original designation (junior synonym of Protophotopsis (Protophotopsiella) humeralis humeralis Schuster, 1949 (male), according to Cambra & Quintero, 1997: 270).
Taxonomic history. Junior subjective synonym of Protophotopsiella Schuster, 1949 according to Cambra & Quintero, 1997: 270 (erroneously indicated as synonym of Protophotopsis Schuster, 1947 by Cambra & Quintero, 1997: 264). Subjectively invalid name.
Sex association. The male of the type species was associated and identified (as Protophotopsis (Protophotopsiella) humeralis humeralis Schuster, 1949: 85) by Cambra & Quintero, 1997: 270.
Distribution. Nearctic, Neotropical.