Towards the knowledge of the systematic of a weevil tribe Cleonini (sensu lato). 1. Genera Pseudocleonus Chevrolat, 1873, Cleonis Dejean, 1821, Adosomus Faust, 1904, Cyphocleonus Motschulsky, 1960 and Xeradosomus gen. n. (Coleoptera: Curculionidae, Lixinae)

Abstract

Based on the study of external morphological characters, the structure of male internal sac, and female genitalia, the following new taxa are described: Xeradosomus gen.n. (type species Cleonus samsonovi Gebler, 1845), Pseudocleonus (Neopseudocleonus) subgen. n. (type species Curculio grammicus Panzer, 1789), Pseudocleonus (Asiacleonus) subgen. n. (type species Cleonus dauricus Gebler, 1830), Adosomus (Pseudoadosomus) subgen.n. (type species Cleonus granulosus Mannerheim, 1825), and Cyphocleonus (Neocyphocleonus) subgen.n. (type species Curculio dealbatus Gmelin, 1790)

Keywords

• Curculionidae
• Lixinae
• Pseudocleonus
• Cleonis
• Adosomus
• Cyphocleonus
• Xeradosomus
• new genus
• new subgenera
• key
• internal sac
• female genitalia
• spermatheca