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Issue: Vol. 1362 No. 1: 23 Nov. 2006
Type: Articles
Published: 2006-11-23
DOI: 10.11646/zootaxa.1362.1.3
Page range: 43–53
Abstract views: 47
PDF downloaded: 22

Description of the immature stages of Anastomoneura guahybae Huamantinco & Nessimian, 2004 (Trichoptera: Odontoceridae), with a new record for the genus and keys to larvae and pupae of Neotropical genera

Departamento de Zoologia, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Caixa Postal 68044, Cidade Universitária, 21944-970, Rio de Janeiro, RJ, Brazil
Departamento de Zoologia, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Caixa Postal 68044, Cidade Universitária, 21944-970, Rio de Janeiro, RJ, Brazil
Trichoptera Anastomoneura guahybae Odontoceridae larva pupa Brazil taxonomy new record keys to Neotropical genera

Abstract

The larva and pupa of Anastomoneura guahybae Huamantinco & Nessimian from tributaries of the Rio Aiuruoca, Minas Gerais, Brazil, are described, illustrated and compared with other Odontoceridae. The larva is characterized by a reduced lateral carina on the head, a membranous metanotum, a distinctive pattern of ventral setae on abdominal segment I and by the presence of a conspicuous dorsal spine on the anal claw. The larva of Anastomoneura is similar to those of the neartic genera Nerophilus and Namamyia principally by the undivided mesonotal plates, and by the position and form of setal areas on the metanotum. The pupa is very similar to other odontocerids. The specimens were collected from sandy substrates in small order streams. Animal parts, plant fragments and detritus were observed in the larval gut contents. The genus Anastomoneura is for the first time recorded from the State of São Paulo, Brazil. Keys to larvae and pupae of known Neotropical genera of Odontoceridae are presented.

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