Occurrence of Anafroptilum Kluge 2012 (Ephemeroptera: Baetidae) in Oriental Region
Two new species, Anafroptilum orthostylus sp. n. and Anafroptilum odontostylus sp. n. are described from Thailand based on imagoes reared from larvae. Both new species lack hind wings; larvae of both species have an unusual prominent spine near cercus apex; other characters, especially shape of male imaginal gonostyli and shape of larval tergalii, are quite diverse in these two species. The genus Anafroptilum, hitherto known from the East Palaearctic [as a single species A. kazlauskasi (Kluge 1983)] and from Nearctic [as eight species reported by Jacobus & Wiersema (2014)], is reported from Oriental Region for the first time.
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