Letana bulbosa Ingrisch, 1990

Nagar, Rajendra & Swaminathan, R., 2015, Occurrence of a new species of Letana (Orthoptera: Tettigoniidae: Phaneropterinae) in India, Zootaxa 4044 (3), pp. 429-445 : 434-435

Letana bulbosa Ingrisch, 1990

(Fig.10, 16, 25, 27, 34, 40, 45; Plate V)

Material examined. (24 Specimens, 22 ♂ & 2♀) India: Rajasthan; Gujarat; Kerala; Karnataka; 1.ix.2006, Coll. G. S. Chundawat (Udaipur); 30.viii.2007, Coll. R. Swaminathan (Jaisalmer) (1); 19.vii.2008, Coll. P. S. Rathore (Banswara); 27.vii.2010, Coll. Harjindra (Sirohi) (10); 1.viii.2011, Coll. R. Swaminathan (Udaipur); 21.ix.2012, Coll. R. Swaminathan (Udaipur); 26.ix.2012, Coll. Jhabar Mal (Alsigarh, Udaipur); 1.viii.2013, Coll. Rajendra Nagar (Rajasmand); 21.i.2014, Coll. Jhabar Mal (Thiruvanthapuram); 5.ii.2015, Coll. Rajendra Nagar ( GKVK, Bangalore); 20.vii.2012, Coll. Subhash (Bikaner); 1.vii.2013, Coll. Rajendra Nagar (Anand).

Description. Male: Medium sized, green species, pronotum inflated; stridulatory field length 3.45 mm and width 1.50mm; hind wing 4.50–5.50mm longer than tegmina; stridulatory file small sub-straight, with about 115 teeth at base; 9th tergite rather weakly projecting behind, apex truncate to very slightly concave; supra-anal plate with lateral margins concave, surface shallowly depressed, apex sub-truncate, apico-lateral angles slightly protruding; cerci short, sub-straight behind basal curvation with a baso-internal black or brown marked swelling, internal margin with a short black or brown marked dilation in basal half; subgenital plate lateral lobes with apical part slightly widening apically, apex truncate; phallus sclerite blackish, elongate and somewhat irregular, lying directly on phallus, only tip free, base forked and hyaline.

Female: Ovipositor short, sickle-shaped, dorsal and ventral margins rounded, serrate in apical part; supra-anal plate nearly semicircular with an anchor shaped baso-medial furrow; cerci almost suddenly narrowing sub-apically, apex sub-obtuse, dorsal view slightly curved; sub-genital plate triangular with a longitudinal fold, apex rounded.