A new cryptic species of Dichotrachelus from the Bergamasque Prealps, a late Miocene centre of speciation for the alpine fauna (Coleoptera: Curculionidae: Cyclominae)

Thu, 15 Jul 2021 14:07:15 +0000

Arthropod Systematics & Phylogeny 79: 281-293

DOI: 10.3897/asp.79.e64325

Authors: Massimo Meregalli, Manfred Kahlen, Riccardo Monguzzi, Valentina Marzia Rossi, Alfredo Santovito

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.

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A new cryptic species of Dichotrachelus from the Bergamasque Prealps, a late Miocene centre of speciation for the alpine fauna (Coleoptera: Curculionidae: Cyclominae)