A new species of Sogatella (Hemiptera: Delphacidae) from temperate Argentina

Abstract

A new species from Argentina, Sogatella unidentata sp. nov. (Hemiptera: Delphacidae), is described andillustrated as belonging to the Sogatella furcifera group. The main distinctive characteristics are tegmencoloration, shape of aedeagus and number and dispositions of its teeth, and shape of parameres in males;length of the ovipositor, and shape of the gonapophysis IX in females. A key is included to facilitatethe comparison of the new species with the closely allied. Furthermore, information on host plants andgeographical distribution is provided. This is the southernmost record in the distribution of the S. furciferagroup.