Familia	Cerambycidae (Latreille, 1802)
Subfamilia	Prioninae (Latreille, 1802)
Tribus	Prionini (Latreille, 1804)
Genus	Prionus (Geoffroy, 1762)
Subgenus
Species	heroicus (Semenov, 1907)
Synonyms	heros (Fall, 1905) tumidus (Casey, 1912) vastus (Casey, 1912) tristis (Casey, 1912) tetricus (Casey, 1912) fontinalis (Casey, 1924)
other names	Prionus heros (Fall, 1905) Prionus Prionus tumidus (Casey, 1912) Prionus Prionus vastus (Casey, 1912) Prionus Prionus tristis (Casey, 1912) Prionus Prionus tetricus (Casey, 1912) Prionus Neopolyarthron heroicus (Lameere, 1913) Prionus Prionus fontinalis (Casey, 1924)
Lifezones:	West hemisphere
Body length:
Life cycle:
Host plant:
Distribution:	United States (SW Arizona, New Mexico)
Occurrence:	I II III IV V VI VII VIII IX X XI XII