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Issue: Vol. 2668 No. 1: 5 Nov. 2010
Type: Articles
Published: 2010-11-05
DOI: 10.11646/zootaxa.2668.1.4
Page range: 44–54
Abstract views: 41
PDF downloaded: 2

Description of a new species of Byrsopteryx (Trichoptera: Hydroptilidae) from Rio de Janeiro State, Brazil, including its immature stages

Departamento de Zoologia, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Caixa Postal 68044, 21941-971, Rio de Janeiro, RJ, Brasil
Departamento de Zoologia, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Caixa Postal 68044, 21941-971, Rio de Janeiro, RJ, Brasil
Trichoptera Leucotrichiini Byrsopteryx carioca sp. nov. Byrsopteryx espinhosa Byrsopteryx abrelata Atlantic Forest new species

Abstract

Byrsopteryx Flint, 1981 is a small genus of microcaddisflies exclusively Neotropical in distribution. Currently, 15 species are known in the genus, 2 of which occur in Brazil, both described from Rio de Janeiro State. In this paper, we provide descriptions and illustrations for all stages of a new species of Byrsopteryx from Rio de Janeiro State, Brazil. Byrsopteryx carioca sp. nov. is distinguished from other Byrsopteryx species by male genitalia with a pair of spine-like ventral projections posteriorly on segment IX, the dorsolateral processes from segment IX each with an acute ventral projection, and the phallus simple internally with a short, bifurcate apical sclerite. In addition, we describe the female of Byrsopteryx espinhosa Harris & Holzenthal, 1994, and record Byrsopteryx abrelata Harris & Holzenthal, 1994, from São Paulo State, Brazil.

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