22 E. T. Atkinson — Notes on Indian Rliynchota. [No. 1, 



Subfamily Mach^rotina, Stal. 



Machcerotida, Stal, Hem. Afric. iv. p, 55 (1866) : MachcBrotina, Stal, Ofvers. 

 Kong. Vet. Aka. Forh. p. 727 (1870). 



Anterior margin of thorax round or angular, eyes usually transverse : 

 scutellum much elevated, compressed posteriorly, furnished with a long 

 apical spine. 



Genus Mach^rota, Burmeister. 



Handb. Ent. ii. (i) p. 128 (1835). 



Head small, frons tumid, confluent with the vertex, furrowed in the 

 middle, elevated at the posterior margin, bearing the two ocelli which are 

 approximate : basal joints of antennee large, terminal setae long, fine, 

 curved : pronotum septangular, arcuate : scutellum larger, produced 

 backwards with a median longitudinal groove which is continued into 

 a long, pointed, acute upwardly, curved downwardly, sabre-like process : 

 tegmina hyaline, with seven cells at the apex and a large middle cell 

 surrounded by a forked vein : legs simple, hinder tibiae and two first 

 joints of the tarsi with a circlet of spinules. 



47. Mach^rota ensifera, Burmeister. 



Machcerota ensifera, Burm. Handb. ii. i. p. 128 (1835) : Walker, List Horn. B. M. 

 iii, p. 729 (1851) : Stal, Ofvers. Kong. Vet. Aka. Forh. p. 727 (1870) : Signoret, A. 

 S. E. F. (5 Ser.), ix, p. xlviii. (1879). 



Light yellow with the second and third segments above, the median 

 part of the frons, a space on each side of the metanotum and the origin 

 of the process, black : tegmina and wings hyaline, the base of the 

 tegmina and the claval portion of the wings, fuscous : tegmina with 

 five apical cells of which three lie towards the margin ; above these, 

 which gradually diminish in size, is a row of hyaline dots, on the margin 

 itself : there are five brownish streaks on the prothorax of which the two 

 median lateral ones are continued on the metanotum. Long 4 millims. cf . 



Reported from Philippines, Silhat. 



48. Mach^rota spangbergi, Signoret. 

 Machcerota spangbergi, Signoret, A. S. E. F. (5 Ser.), ix, p. xlviii. (1879). 



Yellowish brown ; the median part of the frons, the tip of the ab- 

 domen above and the genital organs, black ; feet brownish, posterior 

 tibiae yellow with the tips black. Differs from M. ensifera in having the 

 frontal grooves black and the tegmina longer and less rounded at the 

 tip. Long 4 millims. $ . 



Reported from Silhat. 



