Ramidelphax albistriata, Qin, Dao-Zheng & Zhang, Ya-Lin, 2006

Qin, Dao-Zheng & Zhang, Ya-Lin, 2006, Two new genera and two new species of Delphacidae (Hemiptera: Fulgoroidea) from China, Zootaxa 1204, pp. 61-68 : 63

Ramidelphax albistriata n. sp.

( Figs. 1–11 )

Type material. Holotype –male: Liangyuan, Hainan Province, China, 2 June 1983, coll. Yalin Zhang. Paratypes – 2 males: Tongshi, Hainan Province, China, 7 June 1983; 1 male: Jianfengling, Hainan Province, China, 18 May 1983, same collector as holotype; 1 male: Xiaoqikong, Guizhou Province, China, 17 September 2005, coll. Zhaofu Yang.

Description. Macropterous form (male): body length 2.4–2.7 mm; body length including tegmen 4.3–4.9 mm; tegmen length 3.7–4.2 mm.

General color orange­yellow. Stem of Y­shaped carina, median carina of pro­ and mesonotum ivory­white. Eyes brown. Ocelli black. Tegmen hyaline, light orange­yellow.

Structural characters as in generic description. Pygofer in profile narrow, slightly longer ventrally than dorsally, anterior and posterior margins concave. Phallus tubular, sinuated, median portion narrow, apex swollen ventrad, ventral margin with teeth at apical half. Genital styles long and slender, in posterior view widely divergent at basal half, each forked near middle, the inner branch sharply turned lateroapically. Suspensorium large, inverted U­shaped, armed ventrally, greatly incised ventrally.

Female unknown.

Etymology. The name is derived from the Latin word “alba” (white) and “striatus” (stripe), with combination of the feminine suffix “­a”, which refers to the ivory­white stripe from the stem of Y­shaped carina to the end of mesonotum.

Distribution. Southern China (Hainan and Guizhou Provinces).

Figures

FIGURES 1 – 11. Ramidelphax albistriata n. sp., 1, head and thorax, dorsal view; 2, frons and clypeus; 3, tegmen; 4, male genitalia, posterior view; 5, the same, lateral view; 6, diaphragm; 7, phallus, lateral view; 8, genital styles, caudal view; 9, suspensorium; 10, anal segment, caudoventral view; 11, the same, lateral view.