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      DICHOTOMIUS RIBEIROI (PEREIRA, 1954) (COLEOPTERA: SCARABAEIDAE: SCARABAEINAE): REDESCRIPCIÓN Y ANOTACIONES TAXONÓMICAS DE LA ESPECIE Translated title: Dichotomius ribeiroi (Pereira, 1954) (Coleoptera: Scarabaeidae: Scarabaeinae): redescription and taxonomic annotations of the species

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          Abstract

          Se realiza la redescripción de Dichotomius ribeiroi (Pereira, 1954), en donde se describe por primera vez a la hembra de esta especie hasta ahora desconocida. Se presentan datos sobre la distribución geográfica de la especie, ilustraciones del habitus, el órgano genital y escleritos del saco interno del macho así como las diferencias en la morfología externa de las hembras. Al realizar la comparación de la morfología externa y el órgano genital masculino de D. ribeiroi con las especies del grupo "cotopaxi", se propone la reubicación de esta especie dentro de este grupo, el cual es redefinido.

          Translated abstract

          The redescription of Dichotomius ribeiroi (Pereira, 1954) is done; in which description the female species, unknown so far, is described at first. Data about geographical distribution, illustrations of male habitus, male genital organ and its sclerites of internal sac, also the differences in the female external morphology are presented. When the comparison between the external morphology and male genital organ of this species with of Dichotomius of group "cotopaxi" is made; a transference of this species to this group can be proposed.

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          A REVISION OF THE NEOTROPICAL GENUS ONTHERUS ERICHSON (COLEOPTERA: SCARABAEIDAE, SCARABAEINAE)

          The species of the genus Ontherus , endemic to Latin America, are revised. A key in English and Spanish for the identification of adults of the 58 recognized species is provided. Three subgenera are recognized ( Caelontherus nov., Planontherus nov. and Ontherus s.str.). The following 29 species are described as new: O . hadros , O . magnus , O . gilli , O . ashei , O . politus , O . sanctaemartae , O . tenuistriatus , O . obliquus , O . howdeni , O . diabolicus , O . pilatus , O . sextuberculatus , O . lunicollis , O . monilistriatus , O . pseudodidymus , O . rectus , O . pubens , O . ulcopygus , O . cambeforti , O . raptor , O . planus , O . edentulus , O . rectangulidens , O . lobifrons , O . androgynus , O . amplector , O . atlantidis , O . insolitus , O . stridulator . The following new synonymies are proposed (the first specific name being valid): O . kirschii Harold = O . elongatus Waterhouse; O . alexis (Blanchard) = O . didymus Erichson = O . glaucinus Erichson = O . nevinsoni Waterhouse; O . incisus (Kirsch) = O . thoracicus Waterhouse; O . azteca Harold = O . villosus Luederwaldt = O . strius Howden and Young; O . cephalotes Harold = O . quadrituberculatus Luederwaldt. The variety O . zikani var . carinicollis Luederwaldt is now recognized as a valid species. Species are arranged into groups according to their phylogenetic relationship, with a brief diagnosis given for each of the 11 groups of species. The following information is given for each species, when appropriate: detailed literature review, synonymy, description or redescription, illustration of important morphological characters, data of material studied, and geographic distribution. Résumé Les espèces appartenant au genre Ontherus , endémique à l'Amérique latine, sont révisées. On donne des clés en langue anglaise et espagnole pour la détermination des adultes des 58 espèces reconnues. On reconnait trois sous-genres, soit : Caelonthetus nov., Planontherus nov. et Ontherus s.str. Les 29 espèces suivantes sont nouvelles : O . hadros , O . magnus , O . gilli , O . ashei , O . politus , O . sanctaemartae , O . tenuistriatus , O . obliquus , O . howdeni , O . diabolicus , O . pilatus , O . sextuberculatus , O . lunicollis , O . monilistriatus , O . pseudodidymus , O . rectus , O . pubens , O . ulcopygus , O . cambeforti , O . raptor , O . planus , O . edentulus , O . rectangulidens , O . lobifrons , O . androgynus , O . amplector , O . atlantidis , O . insolitus , O . stridulator . On propose les synonymies suivantes (le premier nom étant celui qui est valide : O . kirschii Harold = O . elongatus Waterhouse; O . alexis (Blanchard) = O . didymus Erichson = O . glaucinus Erichson = O . nevinsoni Waterhouse; O . incisus (Kirsch) = O . thoracicus Waterhouse; O . azteca Harold = O . villosus Luederwaldt = O . strius Howden et Young; O . cephalotes Harold = O . quadrituberculatus Luederwaldt. La variété O . zikani var . carinicollis Luederwaldt est maintenant reconnue comme buena species . Toutes les espèces ont été regroupées selon leurs affinités phylogénétiques et une brève diagnose est donnée pour chacun des 11 groupes d'espèces. L'information suivante, lorsque pertinente, est donnée pour chaque espèce : revue détaillée de la littérature, synonymie, description ou redescription, illustration des charactères morphologiques importants et données de répartitions géographique.
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            Comparative skeletal morphology, systematics and evolution of the Phanaeina dung beetles (Coleoptera, Scarabaeidae)

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              Catalogue des Insectes Coléoptères, recueillis par M. Gaetano Osculati, pendant son exploration de la région équatoriale, sur les bords du Napo et de l’Amazone

                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                cal
                Caldasia
                Caldasia
                Instituto de Ciencias Naturales, Facultad de Ciencias-Universidad Nacional de Colombia (Bogotá )
                0366-5232
                June 2013
                : 35
                : 1
                : 209-217
                Affiliations
                [1 ] Universidad Nacional de Colombia Colombia
                [2 ] Universidade Federal de Mato Grosso Brazil
                Article
                S0366-52322013000100015
                b7e9a42f-f7dc-4a2c-a154-834cba0a3e4c

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Colombia

                Self URI (journal page): http://www.scielo.org.co/scielo.php?script=sci_serial&pid=0366-5232&lng=en
                Categories
                BIOLOGY

                General life sciences
                Colombian Andes,sclerites of internal sac,group "cotopaxi",Escarabajos coprófagos,Andes Colombianos,Dung beetles,escleritos del saco interno,grupo "cotopaxi"

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