Dichotrachelus orobicus, a new species from the Bergamasque Prealps, is described. It is closely related to D. grignensis from the Grigna Massif, from which it differs mainly in the COI and ITS2 sequences, and minute morphological characters. Remarks on the possible epoch of speciation between the two taxa, with an analysis of the biogeographic scenario that may have led to the disjunction, are discussed.
A new cryptic species of Dichotrachelus from the Bergamasque Prealps, a late Miocene centre of speciation for the alpine fauna (Coleoptera: Curculionidae: Cyclominae)
Valentina Marzia Rossi;
2021
Abstract
Dichotrachelus orobicus, a new species from the Bergamasque Prealps, is described. It is closely related to D. grignensis from the Grigna Massif, from which it differs mainly in the COI and ITS2 sequences, and minute morphological characters. Remarks on the possible epoch of speciation between the two taxa, with an analysis of the biogeographic scenario that may have led to the disjunction, are discussed.File in questo prodotto:
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Descrizione: A new cryptic species of Dichotrachelus from the Bergamasque Prealps, a late Miocene centre of speciation for the alpine fauna (Coleoptera: Curculionidae: Cyclominae)
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