ACA^'THALOBUS. 



3» 



median carina continuous, slightly raised behind the shoulders ; 

 lateral carina) slightly marked in front, parallel ; lateral angles 

 very acute, hardly spined, and directed slightly backwards ; pro- 

 notal process as long as the wings, much longer than the hind 

 femora, A'ery slightly bifid at the extremity. Tegmina oval, twice 

 as long as broad. Hind tibiae slightly waved, with small spines ;, 

 joints of hind tarsi long, the first joint slightly longer than the 

 rest ; pulvilli conspicuous, pointed behind. 



Lencjth 16-23 mm. 



Sikkim: Gantok, 6050 ft., 10. xi. 1900, Kurseong, 5000 ft.,. 

 14. viii. 1909 ; Bei^gal : Calcutta, 28. vii. 1904. 



33. Acanthalobus inornatus, Wall-. 



Tettix moi-nata, Walker, Cat. Derin. Salt. B.M. v, 1871, p. 834. 

 C?-toietti.v saginatus, Bolivar, Ann. Soc. Ent. Belg. xxxi, 1887^ 



pp. 185, 223, 225 ; Brunner, Ann. Mus. Geneva, xxxiii, 1893,. 



p. 104, pi. V, tig-. 38. 



Rather slender, brown, rugulose. Vertex distinctly broader 

 than the eye, the double carina projecting slightly between the 

 antennae. Top of head flattened ; cheeks 

 V, V, with lateral carinas, obsolete above and 



)i i slightly converging below ; eyes not raised ; 



;! x ,' ■; face varied with tawny. Pronotum with 



three strong keels on the frontal area, the 

 lateral ones slightly converging and obsolete 

 behind ; as long as the hind w ings, subulate,, 

 and extending for nearly half its length 

 beyond the hind femora ; lateral spines pale, 

 rather slender at the extremity and slightly 

 hooked backwards ; pronotum rather arched 

 on the back between the shoulders, depressed 

 behind, with numerous raised grantiles, more 

 or less regularly arranged ; middle carina 

 rather indistinct and irregular, and with 

 some short, raised, incomplete carinae oppo- 

 site the shoulders. Tegmina forming a long 

 oval ; wings dusky along the costa. Middle 

 and hind tibiae pale, the latter slightly ex- 

 panded, and with 7 spines on the terminal 

 half of the outer carina and 4 on the inner ; 

 there are also two strong outer and one 

 inner terminal spine, and a small spine on 

 the upper surface of the tibia just beyond the knee ; first joint of 

 hind tarsi rather longer than the rest together ; the three pulvilli 

 triangular, of eqttal length. Valves of ovipositor pale, long and 

 slender, the upper one denticulated above, with the tip slightly 

 hooked upwards ; the lower ones denticulated below, the tip 

 slightly hooked downwards; at the base of the lower ones is a 

 slight tooth above and another abotit the middle. Abdomen 

 blackish, spotted with ochreous. 



Fig. 36. — Acantha- 

 lobus inornatus. 



