Ophiogomphus, commonly known as snaketails, is a genus of dragonflies in the family Gomphidae. Most of the species in the genus Ophiogomphus have beautifully marked green club-shaped abdomens, which are more noticeable in the males.
The genus contains the following species: Ophiogomphus acuminatus – acuminate snaketail Ophiogomphus anomalus – extra-striped snaketail Ophiogomphus arizonicus – Arizona snaketail Ophiogomphus aspersus – brook snaketail Ophiogomphus australis – southern snaketail Ophiogomphus bellicosus Ophiogomphus bison – bison snaketail Ophiogomphus carolus – riffle snaketail Ophiogomphus caudoforcipus Ophiogomphus cecilia – green snaketail, green gomphid Ophiogomphus cerastis Ophiogomphus colubrinus – boreal snaketail Ophiogomphus edmundo – Edmund's snaketail Ophiogomphus howei – pygmy snaketail Ophiogomphus incurvatus – Appalachian snaketail Ophiogomphus mainensis – Maine snaketail Ophiogomphus morrisoni – Great Basin snaketail Ophiogomphus obscurus Ophiogomphus occidentis – Sinuous snaketail Ophiogomphus purepecha Ophiogomphus reductus Ophiogomphus rupinsulensis – rusty snaketail Ophiogomphus severus – pale snaketail Ophiogomphus sinicus Ophiogomphus smithi – Sioux snaketail Ophiogomphus spinicornis Ophiogomphus susbehcha – St. Croix snaketail Ophiogomphus westfalli – Westfall's snaketail
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