Revision of Ephemerellidae Genera (Ephemeroptera)

  • Jacobus L
  • Mccafferty W
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Abstract The generic classification of Ephemerellidae Klapálek (Ephemeroptera) is reviewed and revised. Taxonomic status quo is maintained for the subfamily Timpanoginae Allen, except that Melanameleus Tiensuu (Ameletidae McCafferty) is not synonymous with Eurylophella Tiensuu. Data from the external morphology of eggs, larvae and adults of Ephemerellinae, s.s., species are coded into a data matrix and analyzed via the parsimony criterion of PAUP* to construct phylogenetic trees. A higher classification of Ephemerellinae is proposed based on the naming of groups from these trees. Two tribes are recognized and redefined: Ephemerellini, s.s., and Hyrtanellini Allen. Ephemerellini contains eleven genera: Drunella Needham [= Eatonella Needham, new synonym; = Myllonella Allen, new synonym; = Tribrochella Allen, new synonym; = Unirhachella Allen, new synonym], Caurinella Allen, Ephemerella Walsh, Matriella, new genus, Tsalia, new genus, Caudatella Edmunds, Notacanthella, new genus, Spinorea, new genus, Adoranex...

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  • Luke M. Jacobus

  • W Patrick Mccafferty

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