The male genitalia in Lixus nordmanni Hochhuth, 1847 (Coleoptera: Curculionidae: Lixinae); studing by light and scanning electron microscope

Abstract

The male genitalia of Lixus nordmanni Hochhuth, 1847 (Curculionidae: Coleoptera) were examined by optical and scanning electron microscope (SEM). A detailed description is provided. In Lixus nordmanni, the male genitalia is annulate type, and it consists of aedeagus and 9th sternite (spiculum gastrale). The aedeagus has two main parts; aedeagal tube and tegmen. The aedeagal tube is curved basally and seems long and cylindrical. It is strongly sclerotised. The 9th sternite is very thin and long, and its apex connected the wide plate which is convex.