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13 March 2013 Phylogeny and revision of the New World seed-feeding bruchine genus Gibbobruchus Pic (Coleoptera : Chrysomelidae)
D. Manfio, C. S. Ribeiro-Costa, E. Caron
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Abstract

Gibbobruchus Pic, 1913 belongs to the subtribe Acanthoscelidina, which encompasses ∼50% of the subfamily Bruchinae (Coleoptera : Chrysomelidae). These species are distributed in the Americas and are mainly associated with Bauhinia seeds (Fabaceae). The monophyly of Gibbobruchus and its species groups were tested based on 26 adult morphological characters and 15 taxa. Of these taxa, 13 species were recognised including two new species, G. vinicius, sp. nov. and G. bolivianus, sp. nov. Gibbobruchus is monophyletic and supported by seven synapomorphies. The currently proposed composition of species groups is: Group speculifer: G. speculifer, G. ornatus, G. vinicius, Manfio & Ribeiro-Costa, sp. nov.; Group polycoccus: G. polycoccus; Group wunderlini: G. wunderlini; Group scurra: G. cavillator, G. bolivianus, Manfio & Ribeiro-Costa, sp. nov., G. scurra; and Group mimus: G. guanacaste, G. iturbidensis, G. mimus, G. cristicollis, G. divaricatae. A lectotype is designated for G. triangularis and a neotype for G. mimus; two new synonyms are proposed: Gibbobruchus cavillator (Fåhraeus, 1839) = Gibbobruchus triangularis (Pic, 1926) syn. nov. = Gibbobruchus nigronotatus (Pic, 1931) syn. nov. Four species have new distribution records. An identification key for the species, descriptions, redescriptions, and illustrations, are also provided.

© CSIRO 2013
D. Manfio, C. S. Ribeiro-Costa, and E. Caron "Phylogeny and revision of the New World seed-feeding bruchine genus Gibbobruchus Pic (Coleoptera : Chrysomelidae)," Invertebrate Systematics 27(1), 1-37, (13 March 2013). https://doi.org/10.1071/IS11047
Received: 22 November 2011; Accepted: 1 June 2012; Published: 13 March 2013
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