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Project Noah Nature School
The status of most species of mayflies is unknown because many species are only known from the original collection data. Four North American species are believed to be extinct, two of which are listed below: Pentagenia robusta was originally collected from the Ohio River near Cincinnati, but this species has not been seen since its original collection in the 1800s. Ephemera compar was reported from the "foothills of Colorado". Despite intensive surveys of the Colorado mayflies, this species has not been collected in the past 50 years. The International Union for Conservation of Nature (IUCN) red list of threatened species includes one mayfly: Tasmanophlebi lacus-coerulei, the large blue lake mayfly, is a native of Australia and is listed as vulnerable.[5]
Spotted on May 18, 2011
Submitted on May 19, 2011
1 Comment
What ever this is it is very interesting for sure. The closest I can even guess is the genus Leptophlebia and even that is like not it, the tails bug me for that ID. Actually looking at the date and the tails closer I will go with Ephemerella sp.
The head shape is very odd though.