Maculergithus Constant & Pham, 2016

Constant, Jérôme & Pham, Hong Thai, 2024, Sixteen issid planthopper species in one day in Dong Son-Ky Thuong Nature Reserve in North Vietnam: Eight new species, one new genus and additional new records (Hemiptera: Fulgoromorpha: Issidae), European Journal of Taxonomy 919 (1), pp. 1-87 : 25

Genus Maculergithus Constant & Pham, 2016

Gergithus (Maculergithus) Constant & Pham, 2016: 3 .

Type species: Gergithus (Maculergithus) tamdao Constant & Pham, 2016 by original designation.

Maculergithus – Gnezdilov 2017b: 1344 (raised to genus level).

Diagnosis

The characters defining the genus were given by Constant & Pham (2016) and Gnezdilov (2017b):

(1) the black-brown ground colour;

(2) the tegmina without humeral hump or projection of the costal margin under eye, and with numerous yellow spots separated from one another;

(3) the frons wide, widened above clypeus, with a broad yellow transverse band above frontoclypeal suture;

(4) the clypeus without carina;

(5) the vertex at least 4 times as wide as long in midline;

(6) the mesonotum with a yellow spot on each lateral angle;

(7) the hind wing well developed, unilobed;

(8) the posterior margin of the pygofer of the male genitalia strongly rounded posterad in lateral view and without process;

(9) the anal tube of the male elongate, wide, truncate apically and with apicolateral angles projecting posteroventrally;

(10) the asymmetrical aedeagus with ventral pair of short hooks and left lateral lobe of periandrium with large process.

Species included

Maculergithus luteomaculatus ( Constant & Pham, 2016)

Maculergithus multipunctatus ( Che, Zhang & Wang, 2007)

Maculergithus quinquemaculatus ( Che, Zhang & Wang, 2007)

Maculergithus tamdao ( Constant & Pham, 2016)