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Issue: Vol. 2300 No. 1: 30 Nov. 2009
Type: Articles
Published: 2009-11-30
DOI: 10.11646/zootaxa.2300.1.4
Page range: 51–67
Abstract views: 40
PDF downloaded: 4

Molecular phylogeny in 'nano-weevils': description of a new subgenus Nanoacalles and two new species of Calacalles from the Macaronesian Islands (Curculionidae: Cryptorhynchinae)

ZFMK: Zoologisches Forschungsmuseum Alexander Koenig, Adenauerallee 160, D-53113 Bonn, Germany
Curculio Institute, Hauweg 62, D-41066 Mönchengladbach, Germany
Coleoptera taxonomy catalogue new species new subgenus endemic species Bayesian analysis 16S COI Canary Islands Azores Madeira western Palaearctic

Abstract

A molecular phylogeny for the eastern Atlantic weevil genus Calacalles Peyerimhoff, 1925 is presented, using two mitochondrial genes (CO1 and 16S). Based on a phylogenetic (Bayesian) analysis, we propose the following taxonomic amendments: the new subgenus Nanoacalles subg. n. is described and two new species, Calacalles hermigua sp. n. and Calacalles nataliae sp. n., are described from the Canarian island La Gomera and distinguished from other species of the genus. Calacalles palmensis (Roudier, 1954) (formerly Acalles wollastoni palmensis Roudier, 1954), which is illustrated here for the first time (habitus and aedeagus), is not a synonym of Acalles seticollis Wollaston, 1864, but a valid taxon. Calacalles subcarinatus (Israelson, 1984) from the Azores is assigned to the subgenus Crateracalles Stüben 2004. We also present a catalogue of all known Calacalles species.

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