Cofana subvirescens (Stål)

Krishnankutty, Hu. M. & Viraktamath, Ra. A., 2008, Notes on the leafhopper genus Cofana Melichar (Hemiptera: Cicadellidae: Cicadellinae) from India with description of two new species, Zootaxa 1874 (1), pp. 35-49 : 44-47

Cofana subvirescens (Stål) ( Figs. 7 , 52–59 )

Tettigoniella subvirescens Stål, 1870: 734

Cofana subvirescens, Young, 1979: 7

Length: male, 9.7 mm; female, 10.4 mm. Head and face ochraceous ( Fig. 7 ). Crown with anterior margin broadly rounded, with small apical median spot and two small lateral spots, disk of crown with small elongate black central spot. Pronotum greenish with distinct punctures forming a transverse band separating pale anterior portion from dark posterior portion ( Fig. 52 ). Scutellum with two brown patches along basal margin. Genae and clypellus unmarked. Forewings greenish ( Fig. 7 ).

Male genitalia. Pygofer strongly produced, with rounded caudal margin ( Fig. 55 ). Style in dorsal view with apex truncate ( Figs. 57, 58 ). Aedeagus in lateral view broad, crescent-shaped; in caudal view, uniformly broad throughout its length with round apex ( Fig. 53 ). Abdominal apodemes short and broad near apex, not exceeding third segment ( Fig. 56 ).

Female genitalia. Hind margin of female seventh sternite convex with caudal projection trilobed ( Fig. 59 ).

Material examined. 2 males, 4 females, India: Maharashtra: Manjeri , x.1996, ex. Sugarcane ; 2 females, India, Karnataka, Mysore , ix.1967 (H. M. Harris) [ UAS, INHS] .

Distribution. New Guinea, Oriental region ( Young, 1979).

Remarks. C. subvirescens differs from all other species of Cofana in having greenish forewings. It externally resembles Cicadella viridis (Linnaeus) , a Palaearctic species, but differs in the male genitalia. It is also the largest species in the genus Cofana .

Figures

FIGURES 1–8. 1–2, Cofana bidentata n.sp., male & female; 3, Cofana lineata (Distant); 4, Cofana nigrilinea (Stål); 5, Cofana spectra (Distant); 6, Cofana spiculata sp. nov.; 7, Cofana subvirescens (Stål); 8, Cofana unimaculata (Signoret).

FIGURES 52–59. Cofana subvirescens (Stål)., 52, head; 53, lateral view of aedeagus; 54, caudal view of aedeagus; 55, dorsal view of pygofer; 56, male abdominal apodeme; 57, dorsal view of style; 58, lateral view of apex of style; 59, female seventh sternite.