A new species of flat-headed mayflies (Heptageniidae) is described as Maccaffertium appaloosa, n. sp. The species is based on larvae taken from Tennessee, U.S.A. It is both morphologically and markedly unique within the genus, and is most conspicuous with respect to spotting on the abdominal sterna.
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1 December 2010
A New Species of Maccaffertium Bednarik (Ephemeroptera: Heptageniidae) from the Southeastern U.S.A.
W. P. McCafferty
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