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Issue: Vol. 5406 No. 1: 2 Feb. 2024
Type: Article
Published: 2024-02-02
DOI: 10.11646/zootaxa.5406.1.9
Page range: 165-174
Abstract views: 42
PDF downloaded: 3

The first microcaddisflies Metrichia Ross, 1938 recorded in Tocantins State, northern Brazil (Trichoptera: Hydroptilidae): Metrichia elongata sp. nov. and Metrichia vulgaris Santos, Takiya & Nessimian 2016

Instituto Nacional de Pesquisas da Amazônia (INPA); Coordenação de Pós-Graduação (COPOG); Divisão do Curso em Entomologia (DiEnt); Lab de Citotaxonomia e Insetos Aquáticos (LACIA); Avenida André Araújo; 2936; Petrópolis; CEP 69067-375; Manaus; Amazonas; Brazil
Instituto Nacional de Pesquisas da Amazônia (INPA); Coordenação de Capacitação (COCAP); Programa de Capacitação Institucional (PCI); Lab de Citotaxonomia e Insetos Aquáticos (LACIA); Avenida André Araújo; 2936; Petrópolis; CEP 69067-375; Manaus; Amazonas; Brazil
Instituto Nacional de Pesquisas da Amazônia (INPA); Coordenação de Pós-Graduação (COPOG); Divisão do Curso em Entomologia (DiEnt); Lab de Citotaxonomia e Insetos Aquáticos (LACIA); Avenida André Araújo; 2936; Petrópolis; CEP 69067-375; Manaus; Amazonas; Brazil
Instituto Nacional de Pesquisas da Amazônia (INPA); Coordenação de Pós-Graduação (COPOG); Divisão do Curso em Entomologia (DiEnt); Lab de Citotaxonomia e Insetos Aquáticos (LACIA); Avenida André Araújo; 2936; Petrópolis; CEP 69067-375; Manaus; Amazonas; Brazil
Instituto Nacional de Pesquisas da Amazônia (INPA); Coordenação de Pós-Graduação (COPOG); Divisão do Curso em Entomologia (DiEnt); Lab de Citotaxonomia e Insetos Aquáticos (LACIA); Avenida André Araújo; 2936; Petrópolis; CEP 69067-375; Manaus; Amazonas; Brazil
Trichoptera aquatic insects caddisflies Cerrado biome Ochrotrichiinae Parque Estadual do Lajeado taxonomy

Abstract

The microcaddisfly Neotropical genus Metrichia Ross, is recorded for the first time from the state of Tocantins, northern Brazil, through the discovery of two species: Metrichia elongata sp. nov. and Metrichia vulgaris Santos, Takiya & Nessimian 2016. Herein, the new species is described and illustrated based on males collected in a protected and preserved area in Cerrado biome of Tocantins. Metrichia elongata sp. nov. can be recognized mainly by the type and position of setae on the inferior appendages and morphology of the dorsolateral hook. The discovery of these species increases the number of Metrichia species in the Brazilian Cerrado from seven to eight and are only the eleventh and twelfth caddisfly species reported for Tocantins State.

 

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