Gelastyrella yunnanensis Ran et Liang

Ran, Hong-Fan & Liang, Ai-Ping, 2006, The issid genus Gelastyrella Yang (Hemiptera: Fulgoroidea: Issidae) from China, Zootaxa 1238, pp. 63-68 : 67

3. Gelastyrella yunnanensis Ran et Liang , sp. nov.

( Figures 9–16 )

Length: male 5.2 mm, female 5.6 mm.

Male: General color dull brown. Vertex ( Fig. 9 ) dark brown, with a broad yellow brown longitudinal stripe in middle, anterior margin acutely roundly produced, posterior margin anteriorly angularly produced, lateral margins almost parallel. Frons ( Fig. 10 ) dark brown, median carina distinct, the area between submedian carinae and the anterior margin of vertex black. Clypeus black brown, with yellow brown spots in base. Antenna dull brown. Pronotum black brown; anterior margin roundly produced slightly between eyes; with a small pit beyond middle line, and with yellow brown spots and protuberance on disc. Mesonotum triangular, with black brown spots on disc. Tegmina ( Fig. 11 ) with veinlets among longitudinal veins, veins slightly green. Legs yellow brown, with black brown spots. Spinal formula of hind legs: 7­18­2; 7­21­2.

Male genitalia: Anal segment ( Fig. 13 ) in dorsal view nearly oval, anal foramen lying in middle. Genital styles ( Fig. 14 ) triangular, base convex hooklike. Aedeagus ( Figs. 15, 16 ) with two anterodorsally directed processes ventrally near base; apex with two posterodorsally directed processes dorsally.

Female: General color paler than that of male. Spinal formula of hind legs: 7­21­2.

Materials examined

Holotype: male, China: Yunnan, Xishuangbanna, Xiaomengyang, 850 m, 5. ix. 1958 (L. Y. Zheng) ( IZCAS). Paratype. 1 female, China: Yunnan, Xishuangbanna, Mengla, 620­650 m, 29. v. 1959 (F. J. Pu) ( IZCAS).

Distribution

China: Yunnan.

Remarks

This species is similar to G. litaoensis Yang , but can be separated from the latter by vertex dark brown, with a broad yellow brown longitudinal line in middle (vertex grayish with basal portion somewhat green in G. litaoensis Yang ); spinal formula of hind legs: male 7­(18­21)­2; female 7­21­2 (spinal formula of hind legs: 7­35­ 2 in G. litaoensis Yang ).

Etymology

The species is named for where it was collected.

Figures

FIGURES 9 – 16. Gelastyrella yunnanensis sp. nov.: 9. head (dorsal view). 10. frons. 11. tegmen. 12. male genitalia (lateral view). 13. anal segment (dorsal view). 14. genital style (outside view). 15. aedeagus (lateral view). 16. aedeagus (ventral view). Scale bars: 9, 10, 11 = 1 mm; 12, 13, 14, 15, 16 = 0.2 mm.