110 TEYXALIN.i:. 



Genus CERACRIS. 

 Cemcns, Walker, Cat. Derm. Salt. B.M. Iv, 1870, p. 790. 

 Type, Ceracris nic/ricornis, Walk, 



Range. India, Burma. 



Moderately stout; head and pronotuni punctured; antennae 

 filiform, much longer than head and pronotinn together ; fastigium 

 of the vertex horizontal, produced beyond the eyes about as far 

 as the length of the head behind the eyes ; eyes very large, 

 slightly oval and oblique, separated at the narrowest point by a 

 space nearly equal to that of the fastigium before them ; fastigium 

 slightly curving outwards in front of the eyes, and then obtusely 

 rectangulated in front ; the sides strongly carinated as far as the 

 eyes, and the space between depressed, with a slight carina in 

 front only ; face moderately oblique, with the median cariuae 

 well separated and nearly parallel above, and divergent below ; 

 and lateral carinas running downwards from within tiie eyes. 

 Pronotum rugose-punctate, with three not very sti'ong carinae, the 

 lateral ones distinctly diverging behind, and cut by three sulci, 

 the space behind the last more thickly and finel}^ punctate. 

 Abdomen with a very stx'ong raised median carina, not quite 

 extending to the extremity. Tegmina and wings well-developed, 

 as long as or longer than the abdomen, as are also the hind 

 femora. Four front tibiae slightly pilose, shortly spinose beneatli 

 beyond the middle ; hind femora rather slender, with tlie usual 

 angulated ridges on the outer central area ; hind tibiae spined 

 above. 



Key to the Species. 



1 (2) Hind femora partly red beneath .... versicolor, Brunn., p. 111. 



2 (1) Hind I'emora not red beneath. 



3 (4) Hind tibiaj wholly blue beyond the 



yellow ring near the base dpjlorata, Briniu., p. 112. 



4 (3) Tibife varied with black and yellow 



beyond the yellow ring near the 



base niijricornis, Walk., p. 110. 



127. Ceracris nigricornis, Wallc 



Ceracris itif/ricornis, Walker, Cat. Derm. Salt. B.M. iv, 1870, p, 791. 



Testaceous-brown. Head rugosely punctate, slightly convex 

 above, with a dusky longitudinal curved depression on each side, 

 but without distinct carinae behind the eyes ; a black band behind 

 eacli eye, followed by a black line below the lateral carinae ; 

 antennae black, and a black spot on each side at the lower corners 

 of the clypeus ; the sutures of the mouth-parts slightly blackish, 



