Leptohyphes Eaton is a Panamerican genus with stout nymphs inhabiting mainly mountain streams. In the present work two Leptohyphes species are revalidated: Leptohyphes comatus Allen and Leptohyphes myllonotus Allen & Roback. ...

A new species of the previously monotypic genus Amanahyphes Salles & Molineri, 2006 is described based on the male imago, egg and nymph from the state of Bahia, Brazil. Characters and illustrations to distinguish Amanahyphes ...

Caenis Stephens, 1835 is a relatively diverse South American genus of Caenidae (Ephemeroptera), with 22 recorded spe-cies, but much of its diversity remains poorly explored in this region. In the present study, two new ...

Loricyphes froehlichi gen. et sp. nov. is described and illustrated from nymphs, subimago and eggs. Diagnostic characters include, in the nymph: head, thorax and abdomen with very large and pointed tubercles; maxillary ...

The new species Caenis tarapoto is described from male imagos collected in the Amazonas region from Colombia. This new species is characterized by a dark brown general coloration, presternal triangle anteriorly pointed, ...

The nymphal stages of Tricorythodes pemonensis n. comb. and T. zagaia n.comb. are firstly described. The nymphal characters as well as the characteristic swelling at the base of second forceps segment in male imago justify ...

A new species of Leptohyphes Eaton (Ephemerotera: Leptohyphidae) is described, diagnosed and illustrated from nymphs collected in the Pantepui region in Southeastern Venezuela. Leptohyphes kukenan sp. nov. is similar to ...

No presente trabalho são apresentados novos registros da superfamília Ephemerelloidea para o Brasil. São também apresentadas chaves de identificação para os adultos e ninfas de todas as famílias, gêneros e espécies ...

Tricorythodes macuira sp n. is described and illustrated based on nymphs of both sexes and eggs from Colombia. This species can be recognized by the following combination of characters: maxillary palp 2-segmented and small, ...