description Riffle Snaketail Overview
The Riffle Snaketail (Ophiogomphus carolus) is a dragonfly species in the family Gomphidae found across northeastern North America. Adults are medium-sized dragonflies with green thoracic stripes and dark abdomens, typically patrolling rocky streams and rivers. The species' common name references both its habitat preference and the club-like (snaketail) abdominal pattern characteristic of its genus.
help Riffle Snaketail FAQ
Where can the Riffle Snaketail be found?
Ophiogomphus carolus occurs in northeastern North America, including parts of Canada and the northeastern United States. It is closely associated with clean, fast-flowing streams and small rivers with rocky or gravelly bottoms.
How can I identify a Riffle Snaketail?
Look for a medium-sized clubtail with a bright green thorax marked by dark stripes and a mostly dark abdomen carrying yellow markings. Separating it from the Brook Snaketail, Ophiogomphus aspersus, may require close examination of the abdominal pattern or terminal appendages.
Why is it called a Riffle Snaketail?
The word "riffle" refers to the shallow, turbulent sections of streams where the species breeds. "Snaketail" is the common group name for dragonflies in the genus Ophiogomphus, whose long abdomens have a subtly clubbed tip.
When and where should I look for an adult Riffle Snaketail?
Adults are generally encountered from late spring into summer near suitable waterways in northeastern North America. Mature males patrol riffles, while newly emerged individuals may rest in sunny forest clearings some distance from the stream.
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