Letana infurcata Ingrisch, 1990

Gupta, Sunil Kumar & Chandra, Kailash, 2018, Systematic study of Tettigoniidae (Orthoptera: Insecta) fauna from Chhattisgarh, India, Records of the Zoological Survey of India 118 (4), pp. 325-336 : 332

15. Letana infurcata Ingrisch, 1990

1990. Letana infurcata Ingrisch, Ent. Scand. , 21 (3): 249.

2007. Letana infurcata, Chandra et. al., Zoos΄ Print Journal, 22 (5): 2684.

Material examined: Chhattisgarh, Raipur, Barnawapara WLS; Bafra , 22.vii.2011, 1(♀,DC); Barnawapara camp, 01.viii.2011, 1(♂,NC). Koriya, Gurughasidas NP; Sonhut RH, 24.iv.2013, 1(♀,NC) coll. S. K. Gupta & party.

Diagnostic characters: Body size rather small, green, tegmina rather broad and hind wings hardly protruding. Radial sector of tegmen unforked. Male: Stridulatory file short, almost straight to subarcuate, with comparatively large pegs, ninth tergite rather weakly projecting behind, apex broadly rounded, truncate, or even slightly concave. Supra-anal plate with concave lateral margins, surface shallowly depressed in the middle, apex very slightly convex to subtruncate. Cerci rather short, arcuate. Subgenital plate lateral lobes with apical part slender, apex rounded. Phallus sclerite small, hardly sclerotised, bulging, lamellate, teeth minute. Female: Supra-anal plate circa semicircular, with a shallow medial longitudinal groove or furrow in basal half. Cerci short, stout, apex subacute to obtuse. Subgenital plate circa pentagonal, with a baso-medial, longitudinal fold almost over the whole length.

Distribution: India: Chhattisgarh (Koriya and Raipur), Madhya Pradesh, Pondicherry and Tamil Nadu.