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Volume 2012 (2012), Article ID 654948, 22 pages
Research Article

Integrative Taxonomy, Phylogeny, and New Species of the Weevil Genus Onyxacalles Stüben (Coleoptera: Curculionidae: Cryptorhynchinae)

1Curculio Institute, Hauweg 62, 41066 Mönchengladbach, Germany
2Zoologisches Forschungsmuseum Alexander Koenig (ZFMK), Molecular Taxonomy & Biobank, Adenauerallee 160, 53113 Bonn, Germany

Received 21 September 2011; Revised 2 January 2012; Accepted 2 January 2012

Academic Editor: Brian Forschler

Copyright © 2012 Peter E. Stüben and Jonas J. Astrin. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A molecular phylogeny of the western Palearctic weevil genus Onyxacalles Stüben, 1999 is presented, combining two mitochondrial genes (COI and 16S) in a Bayesian analysis. Based on molecular data, Onyxacalles pyrenaeus Boheman, 1844 is transferred into the genus Kyklioacalles Stüben 1999 (K. fausti group) and—in an integrative taxonomy framework—the interaction between morphology and molecular analysis is illustrated. The species of Onyxacalles s. str. are assigned to three new species groups, O. henoni, O. luigionii, and O. portusveneris groups. The distribution of the related species in the Mediterranean area is illustrated with values of COI and 16S p-distances. Three new species are described and distinguished from their related species: Onyxacalles nuraghi Stüben sp.n. from Italy (Sardinia), Onyxacalles torre Stüben and Astrin sp. n. from France (Corsica) and Onyxacalles vilae Stüben sp. n. from Croatia (Velebit Mts.). A catalogue of all 20 species of Onyxacalles is given, and a key is finally presented combined with image stacking of the habitus and aedeagus for all species.