COLLECTED IN BORNEO, ETC. 108 



Abdomen : elongate, smooth, shining, and covered with a thin change- 

 able glittering silvery pile; the apex acute and having a produced 

 ferruginous style. 

 Hab. Borneo (Sarawak). 



5. Larrada Tisiphone. L. nigerrima; capite thoraceque subopacis; 

 metathorace reticulato ; alis fusco-hyalinis. 



Female. Length 4 lines. Black ; the head very delicately and closely 

 punctured, sub-opake ; the face and clypeus covered with silvery 

 pubescence, the mandibles ferruginous at then apex ; the cheeks with 

 a bright silvery pile. Thorax : the pro- and mesothorax closely and 

 finely punctured, the scutellum more delicately and sparingly so, the 

 former sub-opake, the latter shiuing ; the metatborax coarsely reti- 

 culated ; the tegulae piceous ; the wings fusco-hyaline and iridescent, 

 the nervures black ; the thorax beneath, and the legs, covered with a 

 fine silky pile. Abdomen : smooth and shining, the apical margins of 

 the segments with fascia; of silvery pile, only observable in certain 

 lights. 



Hab. Borneo (Sarawak). 



6. Larrada Alecto. L. nigerrima; capite thoraceque subopacis; 

 metathorace reticulato ; alis fusco-hyalinis. 



Female. Length 5| lines. Jet-black ; the head shining ; the cheeks with 

 a silvery down ; the clypeus impunctate ; the mandibles ferruginous ; 

 the palpi rufo-testaceous. The mesothorax shining, closely and finely 

 punctured ; the scutellum shining ; the metathorax rugose, more 

 finely so towards the verge of the truncation, the latter transversely 

 rugose ; the tegulae rufo-testaceous ; wings fusco-hyaline, splendidly 

 iridescent, with the nervures black; the legs strongly spinose, the 

 knees somewhat ferruginous. Abdomen : smooth, shining and im- 

 punctate. 



Hab. Singapore. 



Gen. Larra, Fabr. 



1. Larra prismatica. L. nigra, pulchre prismatica, maculis fasciis- 

 que variis flavis ornata. 



Female. Length 4-5 lines. Black, with prismatic tints of violet and 

 blue, particularly on the abdomen. The palpi, labrum, clypeus and 

 a triangular space above it, an abbreviated line at the inner orbits of 

 the eyes, the scape in front and the flagellum beneath, yellow; the 

 clypeus emarginate in its entire width and a black transverse spot in the 

 middle, a similar spot at the base of the labrum, which is rounded in 

 front. The posterior margin of the prothorax, the tubercles, the outer 

 margins of the tegulae, an oblique spot on each side of the scutellum, a 

 transverse line on the post-scutellum and an elongate spot on the lateral 

 margins of the metathorax, yellow, the margins compressed ; the 

 anterior legs with the femora beneath and a spot at their apex above, 

 and the tibiae and tarsi in front, yellow, the c'aw-ioint entirely so ; 



