Tricorythodes faeculopsis (Ephemeroptera: Leptohyphidae), description of new stages and first record from Venezuela

Abstract

Tricorythodes faeculopsis Belmont, Salles & Hamada, is redescribed and illustrated from all the stages. The species is firstly recorded from Venezuela. The male and female imago and eggs are here firstly described and new information is provided for nymphs. The species can be recognized by, adult: forewing length 2.9–3.6 mm; vein CuP absent or reduced; forceps segments I and II subequal in length; penes pyramidal, with yellowish margins; nymphs: maxillary palp small, 1-segmented; ratio length/maximum width of femora: ca. 0.3; tarsal claws with 4–10 marginal denticles and 1–2 submarginal denticles; eggs with longitudinal ridges.