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Original Articles

The elytro-femoral stridulatory apparatus in Curculionidae (Coleoptera), with notes on the acoustic behaviour of Arniticus hylobioides (Boheman 1843) and Erodiscus proximus (Viana 1959), and thanatosis display in the latter species

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Pages 165-170 | Accepted 12 May 2005, Published online: 31 May 2013
 

Abstract

The elytro-femoral stridulatory apparatus of two species of Curculionidae is described and figured: Erodiscus proximus (Curculioninae: Erodiscini) and Arniticus hylobioides (Molytinae: Hylobiini). Notes on sound generation, acoustical behaviour and phylogenetic implications are given. Thanatosis display is reported for the first time in Erodiscus proximus.

Résumé

L’appareil stridulatoire elytro-fémoral des Curculionidae, avec notes sur le comportement acoustique d’Arniticus hylobioides (Boheman 1843) et Erodiscus proximus (Viana 1959), et mise en évidence de la thanatose chez cette dernière espèce. L’appareil stridulatoire elytro-fémoral est décrit et illustré chez deux espèces de Curculionidae : Erodiscus proximus (Curculioninae : Erodiscini) et Arniticus hylobioides (Molytinae : Hylobiini). Des données sont apportées sur la génération du son, le comportement acoustique et les implications phylogénétiques. Le phénomène de thanatosis est rapporté pour Erodiscus proximus pour la première fois.

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