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Species Ophiogomphus anomalus - Extra-striped Snaketail

Extra-striped Snaketail - Ophiogomphus anomalus - male Extra-striped Snaketail female - Ophiogomphus anomalus - female Extra-striped Snaketail female thorax pattern - Ophiogomphus anomalus - female exuvium - Ophiogomphus anomalus closeup of head, exuviae - Ophiogomphus anomalus super closeup of head, exuviae, from another angle - Ophiogomphus anomalus Extra-striped Snaketail male, another individual - Ophiogomphus anomalus - male Teneral male Extra-striped Snaketail - Ophiogomphus anomalus - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Odonata (Dragonflies and Damselflies)
Suborder Anisoptera (Dragonflies)
Family Gomphidae (Clubtails)
Genus Ophiogomphus (Snaketails)
Species anomalus (Extra-striped Snaketail)
Explanation of Names
Extra-striped is for the extra thoracic stripe compared to other snaketails. Presumably, anomalus is as well.
Identification
Has an extra black stripe on the thorax:

Also has black stripes on the face and black legs.(1)
Range
Northeast US, Atlantic Canada, and around the Great Lakes
Habitat
Rivers
Season
Late spring to mid summer.