12 ACBYDIIN.!:. 



Genus TRIPETALOCERA. 



Tripetahcera, Westwood, Vioors' Zoolog. Journ. v, 1834, p. 444 ; 

 Bolivar, Auu. Soc. Ent. Belg. xxxi, 1887, pp. 190, 19(5, 310; 

 Hancock, Gen. Ins., Unh. Tetriginse, 190G, p. 4 ; Kirby, Cat. 

 Orth. iii, 1910, p. 1. 



Type, Tripetahcera fefmginea, Weshv. 



Range. Oriental Region. 



Form long, rather narrow, tapering. Head with a strong bifid 

 projection between the eyes ; eyes very large and prominent. 

 Antennae half as long as the body, 8-jointed, the basal joint 

 sliort, the second shorter, moniliform, tlie rest (except the minute 

 terminal joints) considerably longer than broad, but all broad and 

 flattened and usually broadest at the extremity ; terminal joints 

 very short, filiform. Pronotiuu covering the whole body, the 

 lateral lobes strongly spined, the upper surface very rugose, with 

 a strong triangular hump before the middle, and a lateral spine 

 between the front and middle legs. All the femora flattened, 

 with triangular teeth on the carinse above and below. Tegmina 

 (when visible) small, oval. Upper valves of ovipositor deutated 

 above. 



1. Tripetalocera ferruginea, Westw. 



Tripetalocera fen-ufjinea, AVestwood, Zool. Journ. v, 1834, p. 444, 

 pi. xxii, fig. 3. 



Dark ferruginous bro\\n, with a bifid projection between the 

 autennte, which are placed hardly below the level of the 

 prominent eyes, and are 11-jointed. The first two joints are 

 short and broader than the 3rd, which is moniliform, smooth. 



Fig. 15. — Tripetalocera Jerruginea. 



and shining ; the 4th and 5th are short, widened at the ex- 

 tremity ; the 6th to the 10th are longer than broad, triquetral, 

 aud expanded at the extremities, except the 10th, which is more 

 oval ; from it projects the minute joint 11, which is apparently 

 broken off, and perhaps consists of two or three closely-approxi- 

 mating joints. Body very rugose, a strong triangular denticulated 

 hump a little before the middle, and a strong pointed tooth on 



