Male genitalia of some Nepalese species of Onthophagus Latreille and its...

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In this study, the following parts of the male genitalia of Onthophagus species were considered. The male genitalia of dung beetles consist of various sclerotized and membranous parts arranged around the terminal portion of the ejaculatory duct the considered parts are as follows: highly sclerotized structure, forming complete ring above the parameres and aedeagus, and opens apically by wide orifice into which the ejaculatory ducts enter. At rest the phallobase contains aedeagus and parameres.

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