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Issue: Vol. 5353 No. 4: 11 Oct. 2023
Type: Article
Published: 2023-10-11
DOI: 10.11646/zootaxa.5353.4.1
Page range: 301-331
Abstract views: 191
PDF downloaded: 14

Taxonomic diversity of Ochrotrichiinae (Trichoptera: Hydroptilidae) from Peru with the description of ten new species, a new distributional record, and an updated checklist

Laboratório de Entomologia; Departamento de Zoologia; Instituto de Biologia; Universidade Federal do Rio de Janeiro—UFRJ; Rio de Janeiro; Brazil; Laboratório de Sistemática de Insetos; Departamento de Zoologia; Instituto de Biociências; Universidade Federal do Estado do Rio de Janeiro—UNIRIO; Rio de Janeiro; Brazil
Laboratório de Sistemática de Insetos; Departamento de Zoologia; Instituto de Biociências; Universidade Federal do Estado do Rio de Janeiro—UNIRIO; Rio de Janeiro; Brazil
Laboratório de Entomologia; Departamento de Zoologia; Instituto de Biologia; Universidade Federal do Rio de Janeiro—UFRJ; Rio de Janeiro; Brazil
Trichoptera Metrichia microcaddisfly morphology Neotropical Region Ochrotrichia Rhyacopsyche

Abstract

We describe here ten new species of Ochrotrichiinae from southern Peru in genera Metrichia (7 new species), Ochrotrichia (1 new species), and Rhyacopsyche (2 new species). In addition to describing and illustrating male genitalia of the new species, we also highlight diagnostic features from antennae, head setal warts, and wing venation. These structures have received little attention in taxonomic studies of Hydroptilidae, and we think they may be useful in future morphological studies involving the family. We also record O. puyana for the first time from Peru, which was previously known only from Ecuador. Comments on the distribution of the Peruvian Ochrotrichiinae are also provided, along with a distributional map and an updated checklist of the species recorded in the country. This work revealed a total of 56 species of Ochrotrichiinae from Peru.

 

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