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Issue: Vol. 4277 No. 4: 20 Jun. 2017
Type: Article
Published: 2017-06-20
DOI: 10.11646/zootaxa.4277.4.3
Page range: 503–530
Abstract views: 128
PDF downloaded: 6

Taxonomic revision of the Dichotomius sericeus (Harold, 1867) species group (Coleoptera: Scarabaeidae: Scarabaeinae)

Universidade Federal do Pará, Instituto de Ciências Biológicas. Programa de Pós-graduação em Zoologia da Universidade Federal do Pará e Museu Paraense Emílio Goeldi. Campus Belém. Rua Augusto Corrêa, 01. Guamá. Belém PA 66075-110, Brazil.
Universidade Federal de Mato Grosso, Instituto de Biociências, Departamento de Biologia e Zoologia. Av. Fernando Correa da Costa, 2367. Boa Esperança. Cuiabá MT 78060-900, Brazil.
Universidade Federal do Pará, Instituto de Ciências Biológicas, Campus Belém. Rua Augusto Corrêa, 01. Guamá. Belém PA 66075-110, Brazil.
Coleoptera taxonomy dung beetle new species Atlantic forest

Abstract

The Dichotomius sericeus species group of the subgenus Luederwaldtinia is reviewed. This group comprises eight species endemic to the South American Atlantic forests, Caatinga and associated areas of Brazil, Paraguay and Argentina: Dichotomius sericeus (Harold, 1867); Dichotomius irinus (Harold, 1867); Dichotomius laevicollis (Felsche, 1901); Dichotomius schiffleri Vaz-de-Mello, Gavino & Louzada, 2001; Dichotomius guaribensis sp. nov.; Dichotomius gilletti sp. nov; Dichotomius iannuzziae sp. nov; and Dichotomius catimbau sp. nov. Lectotypes are designated for D. sericeus (Harold, 1867), D. irinus (Harold, 1867), D. laevicollis (Felsche, 1901) and D.sericeus var. aterrimus (Luederwaldt, 1929) [here synonymized with D. sericeus]. In this revision each species is analyzed as follows: a detailed literature review, a diagnosis, description, illustrations of key morphological characters, list of material examined and a geographic distribution.

 

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