Letana atomifera

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

Letana atomifera (Brunner von Wattenwyl, 1878)

(Fig. 9, 24, 30, 37, 39, 49; Plate IV)

Material examined. (22 Specimens 3♀ & 19♂) India: Rajasthan; Gujarat; Tamil Nadu; 19.i.2014, Coll. Rajendra Nagar ( TNAU, Coimbatore) (1); 19.i.2014, Coll. Jhabar Mal; 1.viii.2012, Coll. Subhash (Banswara); 1.vii.2013, Coll. Jhabar Mal (Salumbar, Udaipur); 16.vii.2013, Coll. Rajendra Nagar (Rajasmand); 10.ix.2007, Coll. S. L. Jat (RCA, Udaipur); 1.vii.2013, Coll. Jhabar Mal (Gujarat); 1.III.2013, Coll. Jhabar Mal (ARSS-Vallabhanagar, Udaipur); 1.VII.2006, Coll. G. S. Chundawat (Udaipur); 3.viii.2010, Coll. Harjindra (Udaipur); 26.ix.2012, Coll. Jhabar Mal (Alsigarh, Udaipur) (1); 26.ix.2012, Coll. Sarvan (Alsigarh, Udaipur) (1); 1.x.2012, Coll. Rajendra Nagar (Banswara); 6.ix.2007, Coll. Lekha (Udaipur); 3.xi.2007, Coll. P. S. Rathore (Bagawas, Pali); 21.ix.2006, Coll. D. P. Choudhary (Banswara); 1.xi.2006, Coll. D. P. Choudhary (Udaipur); 1.x.2014, Coll. Jhabar Mal (KVK, Chittorgarh).

Description. Male: Medium to large, green, parapterous species; pronotum slightly inflated; stridulatory field length 2.80mm and width 1.30mm; hind wing 4.50–5.00mm longer than tegmina; stridulatory file sub-sinuate with dense pegs on underside of left tegmen about 140 teeth; ninth tergite rather weakly projected behind, apex subtruncate to broadly rounded; supra-anal plate shallowly grooved; apex with medial part truncate to slightly concave, apico-lateral angle protruding with semicircular incisions on both sides, cerci long, sub-straight behind, basal curve with a baso-internal bump, internal margin with a black marked dilation of somewhat less than half the circus length in about the middle; lateral lobes of subgenital plate with apical part slightly widening, apex obliquely truncate; phallus sclerite elongate, blackish, connected with phallus membrane; base forked and hyaline.

Female: Ovipositor sickle shaped intermediate between short and long forms dorsal higher then ventral margins in triangular serrulate in apical parts; supra-anal plate rounded; cerci long, slender with apex obtuse; subgenital plate circa triangular with a longitudinal fold, apex triangularly incised.