Abstract
Three new species of Leptohyphes Eaton 1882 (Ephemerotera: Leptohyphidae) are described, diagnosed and illustrated from nymphs collected in Colombia. Geographical ranges and ecological notes relating important environmental variables are given for each species. Leptohyphes andina sp. nov. is characterized by: forefemur length / maximum width 1.8-1.9, fore and hind margin of middle and hind femora with strong spines on elevated sockets, femoral surface covered by small pale spots, apex of femora with anterior margin roundly projected distally, tarsal claw only with 3-4 marginal denticles, pronotum with triangular lateral projection, hind wing pads present in female, gill formula 3/5/5/5/2, gill V with ventral extension on dorsal lamella. Leptohyphes quimbaya sp. nov. presents the following characters: body covered by hair-like setae, with paired short and blunt tubercles on abdominal terga V-IX, femora wide (forefemur length/ maximum width 1.6), fore and hind margin of femora with tiny spines, tarsal claws with 2-3 marginal denticles, pronotum with triangular (but apically blunt) lateral projection, hind wing pads present in females, gill formula 3/7/7/5/2, gill V without ventral extension on dorsal lamella. Leptohyphes calarca sp. nov. is distinguished by: pilose body, slender femora (forefemur length / maximum width 2.3), foremargin of middle and hind femora without spines, tarsal claws with 5 marginal denticles and 1 submarginal subapical denticle, pronotum strongly projected laterally, fore wingbuds blackish, hind wing pads present in females, gill formula 3/4/4/3/1, gill V with ventral extension on dorsal lamella.
Highlights
The genus Leptohyphes Eaton, 1882 (Ephemeroptera: Leptohyphidae) is represented by 42 species (Hofmann et al, 1999; Molineri, 2003, 2010; Domínguez et al, 2006; Baumgardner & McCafferty, 2010; Nascimento et al, 2014), distributed in South America, Central America, including the Antilles, and North America
Two of them are endemic to Colombia (L. albipennis and L. coconuco), while the others are recorded from other countries of the region: Bolivia (L. nigripennis and L. maculatus), Ecuador (L. ecuador and L. maculatus) and PerU (L. jodiannae and L. maculatus)
The aim of the present paper is to describe and illustrate the nymphal stage of three new species collected in the Andean region of Colombia
Summary
The genus Leptohyphes Eaton, 1882 (Ephemeroptera: Leptohyphidae) is represented by 42 species (Hofmann et al, 1999; Molineri, 2003, 2010; Domínguez et al, 2006; Baumgardner & McCafferty, 2010; Nascimento et al, 2014), distributed in South America, Central America, including the Antilles, and North America. Mainly in the Andean range of the country: L. albipennis Molineri & Zúñiga, 2006, L. ecuador Mayo, 1968 (Dias et al, 2011), Leptohyphes jodiannae Allen, 1967 (Zúñiga et al, 2014), Leptohyphes maculatus Allen, 1967 (Molineri, 2010; Zúñiga et al, 2014) and L. nigripennis Molineri & Zúñiga, 2006 (Molineri, 2010).
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