EPISTAURL'S. — GEREXIA. 243 



lamina obtuse, slightly produced; female with the valves of the 

 ovipositor coarsely impress-punctate. 



Lenrith 12-15 mm.; pronotutn, 3-1 mm. ; tegmiiia, 9-12 mm. , 

 hind femnr, 7'o-10 mm. 



^Madras : Madura. 



Types iu the collection of 1. J3olivar. 



(Tenus GERENIA. 

 Gerenia, StfJ, liili. Svensk. Akad. Ilaiull. v (4), 187S, pp. I'S, 73. 



TrPE, Acridium doisale, Walk. (Gerenia ohllqujencrvis, Stiil). 



llanr/e. India, Burma, Australia. 



Head broad, space between the eyes broad ; fastigium of the 

 Tertex short, rounded into the costal ridge, which is almost 

 obsolete below the anteuna? ; antennae rather short, filiforu]., 

 Pronotum with the median carina tectiform, cut by three sulci, 

 the latter placed ahout the middle, bind border obtusely angu- 

 lated ; prosterual tubercle pointed. Tegmina and wmgs usuallv 

 well-developed, the former with a shining black spot iu the radial 

 .area. Hind femora thickened, with the carinse denticulated ; 

 hind tibia? with from 8 to 11 spines. 



Keij to the Species. 



1 (4) Tegmuia as long as or longer than 



the abdomen. 



2 (3) Black spot of tegmina siibrotund . . dorsalis, Walk., p. l'43. 



3 {2) Black spot of tegmina longer than 



broad intermedia, Brunn., p, i'44. 



4(1) Tegmina shorter than the abdomen. 



5 (0) Black spot of tegmina linear jmsttdipennis, Walk., p. 244. 



(.")) Black spot of tegmina oval ahhreiiata, Brunn., p. 244. 



-294. Gerenia dorsalis, Wall-. 



Acn'dium dorscde, Walker, Cat. Derm. Salt. B.M. iv, 1870, p. 630. 

 (jerenia obliquenervk, Stfd, Bih. Svensk. Akad. Ilandl. v (4), 1878, 

 p. 73 (n. syn.). 



Brow^n or yellowish brown. Front punctured, frontal ridge 

 not sulcated, obsolete below the ocellus. Pronotum thickly and 

 nigosely punctate, with raised granules. Hind femora with the 

 carinte denticulated and dotted with black, Aiolaceous beneath ; 

 hind tibife and tarsi dull violaceous or sanguineous, spines tipped 

 with brown. Tegmina with a subrotund black spot in the radial 

 area, sometimes follo\Aed by a black dot ; uings hyaline, slightly 

 bluish at the base. 



Length 32 41 mm. ; tegmina, 27-34 mm. 



S. India. 



Type in the British Museum. 



R 



