CRIOTETTIX. 31 



Genus CRIOTETTIX. 



Criotettix, Bolivar, Ann. Soc. Ent. Belg. xxxi, 1887, pp. 184, 193, 

 222 ; Hancock, Spol. Zevl. ii, 1904, pp. 108, 128 ; id., Gen. Ins., 

 (3rtli. Tetrig. 190G, pp. 22, 27. 



Type, Criotettix tricarinatus, Bol. 



Range. Oriental Een;ion, New Gruinea, E. and W. Africa. 



Body granulated. Vertex scarcely lower than the eyes, hori- 

 zontal above, or raised in front; frontal carina not divergent at 

 the antennae, palpi subcylindrical, concolorous, antennae scarcely 

 inserted before the level of the eyes. Pronotuin truncated in 

 front, generally long and tapering, the tip obtuse or slightly 

 bifid ; shoulder angles truncated, lateral angles laminated, and 

 emitting a sharp spine. Teginina oblong; wings as long as the 

 pronotum. Prosternum reflexed, broadly sinuate in front. Front 

 femora narrow, with tlie carinae entire, femoral and terminal teeth 

 of hind femora small ; hind tibiae slightly expanded towards the 

 extremity, tlie canthi compressed, spiuose ; first joint of hind 

 tarsi smooth above, naiTOW, linear, longer than the thii'd. 



Key to the Species. 



1 (14) Lateral spine of pronotum long, 



pointed. 



2 (7) Lateral spine distinctl}^ curved for- 



wards. 



3 (4) Spine thick at the base . spinilobus, Ilauc, p. 31. 



4 (3) Spine slender at the base. 



5 (6) Space between the eyes narrower than 



tlie eye maculatus, sp. n., p. 32. 



6 (5) Space between the eyes about eijual 



to the width of an eye obscimcs, sp. n., p. 32. 



7 (2) Lateral spine straight or inclining 



backwards. 



8 (11) Pronotum smooth. 



9 (10) Vertex distinctly tricarinate tricar inatns, Bob, p. 33. 



10 (9j Vertex with the middle carina very 



short, only visible in front hulicus, Bob, p. 33. 



11 (8) Pronotum more or less rugose or 



granulated. 



12 (13) Pronotum transversely rugose oeulatus, Bob, p. 34. 



13 (12) Pronotum granulated exsertus, Bob, p. 34. 



14 (1) Lateral lobes of pronotum short, 



pointed. 



lo (10) Vertex wider than the eye suhulatus, Bob, p. 35. 



10 (15) Vertex not wider than the eye vidali, Bob, p. 35. 



21. Criotettix spinilobus, Hanc. 



Criotettix spinilobus, Hancock, Spol. Zevl. ii, 1904, pp. 108, 129, 

 155, pi. iii, fig. 12; id.. Gen. Ins., Orth. Tetrig. 1900, p. 28, 

 fig. 12. 



Body slightly granulated ; head scarcely elevated. Vertex 

 nearly as broad above as one of the eyes ; frontal )nargiu 



