PTILODEXIA Brauer & Bergenstamm, 1889: 119 (also 1890: 51). Type species: Ptilodexia carolinensis Brauer & Bergenstamm, 1889, by monotypy.
MYOCEROPSIS Townsend, 1915b: 23. Type species: Rhynchiodexia flavotessellata Walton, 1914, by original designation.

agilis Reinhard, 1943.– "Arizona and New Mexico north through California, the Great Basin, and the Rocky Mountains into Alberta and British Columbia. There are a few records from eastern Texas, where the topotypic population is found" (Wilder, 1979: 19).
– Ptilodexia agilis Reinhard, 1943c: 22. Type data: holotype male (CNC). Type locality: USA, Texas, College Station.

arida (Curran, 1930).– "Veracruz in Mexico into the mountains of Arizona and Utah. There is one record from Jefferson County, Idaho" (Wilder, 1979: 46), New Mexico (CNC).
– Rhynchiodexia arida Curran, 1930b: 93 (species attributed to West by Curran, in error; see West, 1950: 110). Type data: lectotype female (CUI), by designation of Wilder, 1979: 45. Type locality: USA, Arizona, Pinaleno (spelled Pinnaleno on label according to Wilder, 1979: 45) Mountains, Fort Grant.

californica Wilder, 1979.– Washington, Oregon, California, Nevada (Wilder, 1979).
– Ptilodexia californica Wilder, 1979: 29. Type data: holotype male (CAS). Type locality: USA, California, Alpine County, 2 miles south of Luther Pass.

canescens (Walker, 1853).– "Nova Scotia to Long Island and west to the Rocky Mountains. There are scattered records in British Columbia, Idaho, Wyoming, and Utah" (Wilder, 1979: 38).
– Dexia canescens Walker, 1853: 310. Type data: holotype male (BMNH). Type locality: United States.

carolinensis Brauer & Bergenstamm, 1889.– "Nova Scotia south to Georgia and west into Texas and the Rocky Mountains, with scattered records from Utah, Wyoming, and Saskatchewan" (Wilder, 1979: 37).
– Ptilodexia carolinensis Brauer & Bergenstamm, 1889: 119 (also 1890: 51). Type data: lectotype male (NHMW), by fixation of Townsend, 1931a: 102 (mention of "male Ht" is regarded as a lectotype fixation); also by designation of Wilder, 1979: 36. Type locality: USA, South Carolina.
– Ptilodexia neotibialis West, 1924: 184. Type data: holotype male (MCZ). Type locality: USA, Connecticut, Colebrook.
– Ptilodexia minor West, 1925: 132. Type data: holotype female (CUI). Type locality: USA, New York, Duck Lake.

conjuncta (van der Wulp, 1891).– "British Columbia and Alberta south through the Rocky Mountains into Mexico. There are scattered records from the plains states, the Great Basin, California, and Oregon. There are a few doubtful records from the eastern United States" (Wilder, 1979: 24).
– Rhynchodexia conjuncta van der Wulp, 1891: 228. Type data: lectotype male (BMNH), by designation of Wilder, 1979: 23. Type locality: Mexico, Durango, Ciudad, 8100 feet.

contristans (van der Wulp, 1891).– "Central and southeastern mountains of Arizona southward into the mountains in Durango, Veracruz, and Guerrero. There is one record from New Mexico" (Wilder, 1979: 26).
– Hystrichodexia contristans van der Wulp, 1891: 221. Type data: holotype male (BMNH). Type locality: Mexico, Guerrero, Omilteme, 8000 feet.

flavotessellata (Walton, 1914).– "Northeastern New Mexico north into Colorado and Nebraska" (Wilder, 1979: 54).
– Rhynchiodexia flavotessellata Walton, 1914a: 176. Type data: holotype female (USNM). Type locality: USA, New Mexico, Colfax County, Eagle Tail Mountain (locality label of holotype reads "Koehler, New Mexico" according to Wilder, 1979: 54).

halone (Walker, 1849).– "Southern Mississippi presumably through the Appalachians into Tennessee and along the East Coast from Maryland to Albany, New York. There is one record from Georgia" (Wilder, 1979: 39-40).
– Dexia halone Walker, 1849: 837. Type data: lectotype male (BMNH), by designation of Wilder, 1979: 39. Type locality: USA, Georgia.
– Ptilodexia hucketti West, 1925: 131. Type data: holotype male (CUI). Type locality: USA, New York, Long Island, Riverhead.

harpasa (Walker, 1849).– "Southern Appalachians into northern Quebec and west into Ohio, Michigan, northern Illinois, Minnesota, North Dakota, and Manitoba" (Wilder, 1979: 42).
– Dexia harpasa Walker, 1849: 840. Type data: holotype female [not male as published] (BMNH). Type locality: North America.
– Ptilodexia leucoptera West, 1925: 132. Type data: holotype female (CUI). Type locality: USA, New York, Long Island, Riverhead.
– Dinera robusta Curran, 1930b: 93 (species attributed to West by Curran, in error; see West, 1950: 110). Type data: lectotype male (CUI), by designation of Wilder, 1979: 41. Type locality: USA, New York, Poughkeepsie.

incerta West, 1925.– "Throughout the eastern U.S., west to about the 100th meridian" (Wilder, 1979: 51).
– Ptilodexia incerta West, 1925: 131. Type data: holotype male (CUI). Type locality: USA, New York, Long Island, Riverhead.
– Ptilodexia proxima West, 1925: 133. Type data: holotype male (CUI). Type locality: USA, New York, Long Island, Riverhead.
– Rhynchodexia elevata West, 1925: 135 (spelled levata by Curran, 1930b: 93, in error). Type data: holotype male (CUI). Type locality: USA, New York, Long Island, Riverhead.
– Ptilodexia maculata Wilder, 1979: 51. Type data: holotype male (MSUC). Type locality: USA, New Mexico, Grant County, 14 miles north of Silver City.

major (Bigot, 1889).– "Nebraska southward through Colorado, Kansas, Arizona, New Mexico, and Texas into southern Mexico" (Wilder, 1979: 49).
– Rhamphinina major Bigot, 1889: 265. Type data: lectotype male (BMNH), by designation of Wilder, 1979: 47. Type locality: Mexico.

mathesoni (Curran, 1930).– "Seems to range through the northeastern United States and eastern Canada. There is one record from Victoria Beach, Manitoba" (Wilder, 1979: 22).
– Rhynchiodexia mathesoni Curran, 1930b: 93 (species attributed to West by Curran, in error; see West, 1950: 110). Type data: lectotype male (CUI), by designation of Wilder, 1979: 20. Type locality: USA, Michigan, Douglas Lake.

obscura West, 1925.– "New Brunswick south into the Georgia Appalachians west into Arkansas, eastern Kansas and Nebraska, western South Dakota and Saskatchewan, and Manitoba" (Wilder, 1979: 23).
– Ptilodexia obscura West, 1925: 133. Type data: holotype female (SIIS). Type locality: USA, New York, Long Island, Wading River.

pacifica Wilder, 1979.– "Southern California north along the coast to northern Oregon. It is also found in the Central Valley and through the Sierra Nevada in California" (Wilder, 1979: 33).
– Ptilodexia pacifica Wilder, 1979: 31. Type data: holotype male (CAS). Type locality: USA, California, Monterey County, Pacific Grove, Point Pinos.

planifrons (van der Wulp, 1891).– "Flagstaff south through the mountains of central and southeastern Arizona, through the central mountainous region of New Mexico, the western tip of Texas, and south into Durango, Mexico. There is one record from Colorado" (Wilder, 1979: 25).
– Rhynchodexia planifrons van der Wulp, 1891: 234. Type data: holotype male (BMNH). Type locality: Mexico, Durango, Ciudad, 8100 feet.

ponderosa (Curran, 1930).– Southern Florida, possibly West Indies (Wilder, 1979).
– Rhynchiodexia ponderosa Curran, 1930b: 93 (species attributed to West by Curran, in error; see West, 1950: 110). Type data: lectotype female (CUI), by designation of Wilder, 1979: 46. Type locality: USA, Florida, Chokoloskee.

prexaspes (Walker, 1849).– "Central Florida along the southern Atlantic coast to Cape Hatteras, North Carolina" (Wilder, 1979: 40).
– Dexia prexaspes Walker, 1849: 837. Type data: lectotype male (BMNH), by designation of Wilder, 1979: 40. Type locality: USA, Georgia.

rufipennis (Macquart, 1844).– "Newfoundland to southern Florida, across the continent to British Columbia, southeastern Washington, and central Montana. There are scattered records in central Colorado, New Mexico, and Texas" (Wilder, 1979: 45).
– Dexia rufipennis Macquart, 1844: 244 (also 1844: 87). Type data: holotype female (lost according to Wilder, 1979: 42). Type locality: Canada, Nova Scotia.
– Dexia cerata Walker, 1849: 847. Type data: holotype female (BMNH). Type locality: North America.
– Dexia albifrons Walker, 1853: 317. Type data: holotype male (BMNH). Type locality: United States.
– Rhynochodexia confusa West, 1924: 185. Type data: holotype male (CUI). Type locality: USA, New York, Long Island, Selden.
– Rhynchodexia translucipennis West, 1925: 135. Type data: holotype male (CUI). Type locality: USA, New York, Ithaca.
– Rhynchodexia dubia Curran, 1930b: 93 (species attributed to West by Curran, in error; see West, 1950: 110). Type data: lectotype male (AMNH), by designation of Wilder, 1979: 43. Type locality: USA, New York, Tuxedo, Station for the Study of Insects. sabroskyi Wilder, 1979.- California (Wilder, 1979).
– Ptilodexia sabroskyi Wilder, 1979: 34. Type data: holotype male (MSUC). Type locality: USA, California, Orange County, San Clemente.

westi Wilder, 1979.– Arizona, New Mexico, Kansas, Oklahoma, Texas (Wilder, 1979).
– Ptilodexia westi Wilder, 1979: 27. Type data: holotype male (CNC). Type locality: USA, Texas, Imperial.

Ptilodexia species