HYPERTROPHOCERA Townsend, 1891b: 360. Type species: Hypertrophocera parvipes Townsend, 1891, by original designation.
NEOTRACTOCERA Townsend, 1892a: 105. Type species: Neotractocera anomala Townsend, 1892 (= Hypertrophocera parvipes Townsend, 1891), by original designation.
EUTHYPROSOPA Townsend, 1892a: 106. Type species: Euthyprosopa petiolata Townsend, 1892 (= Hypertrophocera parvipes Townsend, 1891), by original designation.

parvipes Townsend, 1891.– New Mexico, Mexico (Chihuahua) (S&A, 1965).
– Hypertrophocera parvipes Townsend, 1891b: 361. Type data: holotype male [not female as published] (SEMK). Type locality: USA, New Mexico, Las Cruces.
– Neotractocera anomala Townsend, 1892a: 106. Type data: syntypes, 2 females (SEMK) (mention by Townsend, 1940: 324, of "Ht female" is not regarded as a lectotype fixation because the specimen in question cannot be distinguished from among the 2 females in the type series). Type locality: USA, New Mexico, Las Cruces.
– Euthyprosopa petiolata Townsend, 1892a: 107. Type data: syntypes, 4 females (3 female syntypes in SEMK and 1 female syntype in USNM) (mention by Townsend, 1940: 322, of "Ht female" in SEMK is not regarded as a lectotype fixation because the specimen in question cannot be distinguished from among the 3 female syntypes in SEMK). Type locality: USA, New Mexico, Las Cruces.