some uncles cribed Gerrinae. 145 



Onychotrechus kumari } sp. n. 



Body above dull ochraceous ; head with a short central line 

 at apex, two central oblique lines commencing on apical 

 margin and meeting between the eyes, and a shorter longi- 

 tudinal line near inner margin of each eye, black ; pronotum 

 with four longitudinal black spots, two central and one near 

 each lateral margin ; mesonotum with two central longitudinal 

 lines, a continuous angulate line before each lateral margin, 

 and two lateral lines, black, between the last the colour is 

 silvery white tomentose; abdominal segmental margins black; 

 rostrum, body beneath and legs pale ochraceous ; apex of 

 rostrum, a submarginal linear fascia to sternum, and a short 

 line before intermediate coxa?, black ; a silvery white spot on 

 each side of posterior margin of prosternum, a similar but 

 larger spot before intermediate coxae, and a similar smaller 

 spot near base of lateral margin of abdomen ; antenna? dull 

 ochraceous, extreme apices of the first, second, and third joints 

 and the whole of the fourth joint piceous or black, fourth 

 joint longest, second shortest, first and third subequal in length, 

 first moderately curved ; intermediate femora a little longer 

 than posterior femora ; rostrum considerably passing the 

 anterior coxa? ; tarsal claws long. 



Length 4-§- mm. 



Hab. Travancore ; Maddathoray, W. base of W. Ghats 

 ( Annandale). 



I have only seen apterous forms of this species. 



Janias, gen. nov. 



Body longer than half the length of either intermediate or 

 posterior legs ; head longer than broad, the apex obtusely 

 angulate; eyes large, oblique, interiorly moderately emargin- 

 ate, posteriorly moderately extending over the anterior angles 

 of the pronotum; antenna? short, robust, first joint straight, 

 longest, longer than head, distinctly inwardly spinous at apex, 

 second and fourth joints subequal in length, third shortest ; 

 rostrum short, robust, reaching but not extending beyond the 

 anterior coxa? ; pronotum about as long as head, narrowed 

 anteriorly behind the eyes, with a central impressed longi- 

 tudinal line, the posterior margin truncate; mesonotum more 

 than twice as long as pronotum, the disk centrally longi- 

 tudinally impressed ; anterior femora longer than the tibia?, 

 obtusely spined at apex, intermediate and posterior femora 

 subequal in length. 



Allied to Cylindrostethus but differing in the shorter 



