First record of the cicada genus hyalessa China, 1925 (Hemiptera: cicadidae) from Vietnam, with morphological description and molecular characterization of the species hyalessa maculaticollis (motschulsky, 1866)

Abstract

First record of the genus Hyalessa China, 1925 from Vietnam is presented, with description of the morphological and molecular teatures of the species Hyalessa maculaticollis (Motschulsky, 1866). This species is found in China, Japan, the Korean Peninsula and Far East Russia. The main morphological characters description such as: Opercula in male broad, convex, extending to posterior margin of second abdominal segment, and overlapping; opercula in female smaller than those of male and broadly separated from cach other; Aedeagus thick and curve ventrally, expended subapically, with a pair of sclerotized lateral processes apically as well as a pair of (membraneous) saccate hooks when everted.