Anatomische, histologische und histochemische Untersuchungen des männlichen Geschlechtsapparates von Cosmopolites sordidus (Germar) (Coleoptera: Curculionidae).

Abstract

The banana weevil Cosmopolites sordidus (Germar) has become the most important pest of banana (Musa spp.) in Afrika. - The male reproductive system of C. sordidus consists of the testes, the vasa deferentia vesiculae seminales, one pair of accessory glands, the ductus ejaculatorius, and the aedeagus, all of wich are described and illustrated. The secretions of accessory glands and the vasa deferentia mainly consist of proteins. The protein consentration of the accessory glands was measured photometrically.

Keywords

Coleoptera, Curculionidae, banana weevil, Cosmopolites sordidus, internal genitalia.