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Issue: Vol. 3626 No. 4: 15 Mar. 2013
Type: Articles
Published: 2013-03-15
DOI: 10.11646/zootaxa.3626.4.3
Page range: 455–476
Abstract views: 77
PDF downloaded: 7

Morphology and terminology of dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae) male genitalia

Department of Zoology & Entomology University of Pretoria, Pretoria, South Africa Current address: Programa de Gestión de Información y Conocimiento GIC-Colecciones Biológicas, Instituto Alexander von Humboldt. Boyacá, Colombia
Laboratorio de Entomología, Museo de Historia Natural “Luis Gonzalo Andrade,” Escuela de Ciencias Biológicas, Universidad Pedagógica y Tecnológica de Colombia. Boyacá, Colombia
Department of Zoology & Entomology University of Pretoria, Pretoria, South Africa
Coleoptera Scarabaeinae male genitalia aedeagus internal sac sclerites

Abstract

The external and internal male genitalia of 327 species of 11 tribes of the subfamily Scarabaeinae, including species of Deltochilini, Scarabaeini, Gymnopleurini, Ateuchini, and Coprini, among others, were examined. Descriptions of the variations in the genital segment, the aedeagus, the internal sac, and its sclerites and raspules are presented. An exhaustive comparison of structures, names, and terminology used in literature for Scarabaeinae male genitalia are discussed. The internal sac of the aedeagus is divided in areas for an easer comparison of its internal structures; basal, submedial, medial, and apical areas are described in detail and compared. The variation of apical and medial sclerites, as well as the raspules of the submedial area, are described and compared in detail among all the taxa studied.

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