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, 1994
Erpetogomphus boa Selys, 1859
Erpetogomphus bothrops Garrison, 1994 – one-striped ringtail
Erpetogomphus compositus Hagen in Selys, 1858 – white-belted ringtail
Erpetogomphus constrictor Ris, 1918 – knob-tipped ringtail
Erpetogomphus cophias Selys, 1858
Erpetogomphus crotalinus (Hagen in Selys, 1854) – yellow-legged ringtail
Erpetogomphus designatus Hagen in Selys, 1858 – eastern ringtail
Erpetogomphus elaphe Garrison, 1994
Erpetogomphus elaps Selys, 1858 – straight-tipped ringtail
Erpetogomphus erici Novelo & Garrison, 1999
Erpetogomphus eutainia Calvert, 1905 – blue-faced ringtail
Erpetogomphus heterodon Garrison, 1994 – dashed ringtail
Erpetogomphus lampropeltis Kennedy, 1918 – serpent ringtail
Erpetogomphus leptophis Garrison, 1994 – dark-shouldered ringtail
Erpetogomphus liopeltis Garrison, 1994
Erpetogomphus ophibolus Calvert, 1905
Erpetogomphus sabaleticus Williamson, 1918
Erpetogomphus schausi Calvert, 1919
Erpetogomphus sipedon Calvert, 1905
Erpetogomphus tristani Calvert, 1912
Erpetogomphus viperinus Selys, 1868
