Saigona tenuisa Zheng, Yang & Chen

Zheng, Yan-Li, Yang, Lin & Chen, Xiang-Sheng, 2014, Four new species of the genus Saigona Matsumura (Hemiptera, Fulgoromorpha, Dictyopharidae) from China, ZooKeys 462, pp. 27-41 : 31-33

Taxon classification Animalia Hemiptera Dictyopharidae

Saigona tenuisa Zheng, Yang & Chen sp. n. Figs 34-44, 54-56

Description.

Measurement. ♂, BL: 15.8 mm; HL: 3.9 mm; HW: 1.4 mm; FWL: 9.2 mm.

Coloration. General color dark brown (Figs 54-56). Vertex dark brown marked with fuscous and ochraceous and yellowish spots at apex. Genae pale brown, eyes pale brown, ocellus yellowish, antenna green and the areas surrounding ocellus and antenna beneath eye yellowish. Frons yellowish brown. Postclypeus, anteclypeus and rostrum yellowish. Pronotum and Mesonotum dark brown scattered yellowish spots. Pronotum with median carina yellowish green, lateral, ventrally curved areas yellowish. Mesonotum with a narrow, yellow stripe along median carina. Thorax ventrally yellowish; abdomen ventrally yellowish green, dorsally black with yellowish brown stripe on median carina. Forewings with most veins and stigma dark brown. Legs yellowish green, tibiae with brown ring spots. Genitalia black.

Head and thorax. Head (Figs 34-36, 54-56) very long, longer than pronotum and mesonotum combined (1.36:1). Vertex (Figs 34, 54-56) with median carina complete; cephalic process long and slender, somewhat upturned. Frons (Fig. 35) with lateral carinae reaching to the front of eyes, not to frontoclypeal suture. Pronotum (Fig. 34) with median carina distinct, lateral carinae very faint. Mesonotum (Fig. 34) with median longitudinal carina obsolete or unconspicuous, lateral carinae curverging anteriorly. Forewing (Figs 37, 54-56) longer than widest part (2.79:1), venations as in Fig. 37; hindwings longer than widest part (2.23:1), venations as in Fig. 38. Spinal formula of hind leg 8-11-11.

Male genitalia. Anal style (Figs 39, 40) short, broad. Anal tube (Figs 39, 40) large, nearly triangular in lateral view; long, oval in dorsal view, ratio of length to width at middle about 1.7:1. Pygofer (Figs 39-41) in lateral view with posterior margin slightly concave, dorsoposterior angle produced into a sharply process. Aedeagus (Figs 42-44) with phallobasal conjunctival processes slightly produced dorsally, symmetrical; phallobase narrow and long, curved dorsally; apicodorsal membranous lobe small in lateral view (Fig. 43); apicoventral membranous lobe large, converging towards apex and coniform in ventral view (Fig. 42), directed anteroventrally in lateral view (Fig. 43), covered with numerous fine spines.

Type material.

Holotype: ♂, China: Forest Park (N26°35', E106°42'), Guiyang City, Guizhou Province, 19 July 2000, X.-S. Chen. (IEGU).

Etymology.

The species name is derived from the Hellenic word “tenuisa”, referring to cephalic process slender and long.

Distribution.

China (Guizhou).

Remarks.

This species can be easily distinguished from other species of Saigona by its very long, slender cephalic process.