27 research outputs found

    Curculionoidea (Coleoptera) de la Patagonia argentino‑chilena

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    Synopsis and cladistics of the American Aterpini (Coleoptera: Curculionidae, Cyclominae)

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    The American members of the tribe Aterpini are restricted to the Central Chilean and Subantarctic biogeographic subregions of southern South America. They include the genera Alastoropolus Kuschel, with one species (A. strumosus), and Aegorhinus Erichson ( = Micropolus Kuschel, syn. n.), with 22 species. A cladistic analysis using 44 characters freom external morphology produced 14 cladograms (CI = 0.39, RI = 0.62, and 177 steps, which after successive weighting were reduced to two cladograms (CI = 0.63, RI = 0.84, and 326 steps). Alastoropolus is the sister genus to Aegorhinus, whose species are arranged according to the following phylogenetic sequence: (A. fascicularis, (A. kuscheli, (A. delfini comb. n., (A. serville

    Biodiversidad de artrĂłpodos argentinos

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    Historical biogeography of southern South America

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