Erpetogomphus is a genus of dragonfly in the family Gomphidae. They are commonly known as ringtails. Most of the species are predominantly green coloured and the males have a moderately clubbed tail.
The genus contains the following species:
Erpetogomphus agkistrodon Garrison, 1994Erpetogomphus boa Selys, 1859Erpetogomphus bothrops Garrison, 1994 – one-striped ringtailErpetogomphus compositus Hagen in Selys, 1858 – white-belted ringtailErpetogomphus constrictor Ris, 1918 – knob-tipped ringtailErpetogomphus cophias Selys, 1858Erpetogomphus crotalinus (Hagen in Selys, 1854) – yellow-legged ringtailErpetogomphus designatus Hagen in Selys, 1858 – eastern ringtailErpetogomphus elaphe Garrison, 1994Erpetogomphus elaps Selys, 1858 – straight-tipped ringtailErpetogomphus erici Novelo & Garrison, 1999Erpetogomphus eutainia Calvert, 1905 – blue-faced ringtailErpetogomphus heterodon Garrison, 1994 – dashed ringtailErpetogomphus lampropeltis Kennedy, 1918 – serpent ringtailErpetogomphus leptophis Garrison, 1994 – dark-shouldered ringtailErpetogomphus liopeltis Garrison, 1994Erpetogomphus ophibolus Calvert, 1905Erpetogomphus sabaleticus Williamson, 1918Erpetogomphus schausi Calvert, 1919Erpetogomphus sipedon Calvert, 1905Erpetogomphus tristani Calvert, 1912Erpetogomphus viperinus Selys, 1868