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Issue: Vol. 1732 No. 1: 25 Mar. 2008
Type: Article
Published: 2008-03-25
DOI: 10.11646/zootaxa.1732.1.4
Page range: 54–60
Abstract views: 57
PDF downloaded: 1

Description of the last-instar larva and pupa and the bionomics of Smicridea (Smicridea) truncata Flint (Trichoptera: Hydropsychidae) in Central Amazonia, Brazil

Instituto Nacional de Pesquisas da Amaz^nia (INPA), CoordenaHão de Pesquisas em Entomologia Instituto Nacional de Pesquisas da Amaz^nia (INPA), Divisão de curso em Entomologia
Instituto Nacional de Pesquisas da Amaz^nia (INPA), CoordenaHão de Pesquisas em Entomologia
Instituto Nacional de Pesquisas da Amaz^nia (INPA), CoordenaHão de Pesquisas em Biologia Aqu<tica, Caixa Postal 478, CEP. 69010-970 Manaus, Amazonas, Brazil
Trichoptera Aquatic insects caddisfly Central Amazon Neotropical streams stomach contents

Abstract

The larva and pupa of Smicridea (Smicridea) truncata Flint 1974 (Trichoptera: Hydropsychidae) are described and illustrated. Larvae of S. truncata can be distinguished by the concave line on the median region of the frontoclypeus and presence of the tubular structures, located in the dorsolateral region of abdominal segment VIII, which were not observed in any of the described larvae of S. (Smicridea). This species was collected in a small wooden water trough at the Aruanã Farm, Itacoatiara municipality, and in four streams in Presidente Figueiredo municipality in the state of Amazonas, Brazil. The larval diet was determined by stomach-content analysis; this caddisfly species feeds mainly on algae and diatoms.

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