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Mayfly
42.5118, -73.0579
Field Notes
Notes:
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]
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