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Type: Article
Published: 2017-08-29
Page range: 246–258
Abstract views: 41
PDF downloaded: 3

Revision of the Neotropical moth genus Ptychotrichos Schaus (Lepidoptera, Erebidae, Arctiinae, Arctiini, Ctenuchina)

Museu de Zoologia da Universidade de São Paulo, Avenida Nazaré, 481, Ipiranga, 04263-000, São Paulo – SP, Brazil.
Museu de Zoologia da Universidade de São Paulo, Avenida Nazaré, 481, Ipiranga, 04263-000, São Paulo – SP, Brazil.
Lepidoptera Hairbrush Heliura Lectotype designation New combination Taxonomy Tiger moths

Abstract

Ptychotrichos Schaus, 1894 is revised and redescribed based on external and genitalia characters. The genus is now characterized by the following autapomorphic characters: forewing more than twice as long as hindwing, hairbrush on dorsal surface of inner margin of hindwing, vinculum sigmoid, uncus bilobed, and valva with a proximal finger-like projection. Ptychotrichos is comprised of two species, P. zeus Schaus, 1894 (type-species) and P. elongata Schaus, 1905, which differ from each other in fore- and hindwing patterns, coloration of abdominal tergites and male and female genitalia. Both species of Ptychotrichos are redescribed and illustrated, and maps of their geographical distribution are provided, with a discussion on the unusual distribution of P. zeus. A new combination for Ptychotrichos [sic] fenestrifer Zerny, 1931 is also proposed: Heliura fenestrifer comb. nov.

 

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