ORIEN TA I J CICA DID M. 125 



vertex, behind which are two outwardly curved lineate spots ochraceoup, eyes luteous; pronotum with a 

 central black hour-glass-shaped fascia somewhat margined and streaked with ochraceous, the posterior 

 margin also ochraceous; mesonotum with two lonj,'itudinal waved linear fasciic, between which near 

 anterior margin are two oblique spots, and the cruciform elevation, ochraceous ; abdominal segmental 

 margins ochraceous ; apices of the femora luteous, anterior and posterior tibia) annulated at base, 

 and the intermediate tibiie both at base and apex with fuscous. 



Tegmiiia pale greenish -ochraccous-hyaline, the venation brownish-ochraceous ; a large pale fuscous 

 spot at bases of second, third, fourth, fifth, and seventh apical areas, some small spots at bases of sixth 

 and eighth apical areas, two very small spots on the margins of third ulnar area, and a series of large 

 marginal spots at the apices of the longitudinal veins to apical areas. Wings pale hyaline, the venation 

 bi-ownish-ochraceous. 



Long. excl. tegm. J , 34 milliiii. Exp. tegm. 75 millini. 



Hab. — Malayan Archipelago : Sumatra (Leyden Mus.). 



Geuus EUSTIA. 



7ii(s/(V/, Stal, Hem. Afr. vol. iv. p. 8 (18CC). 



Body moderately long and slender. Head broad, including eyes about as wide as the anterior margin 

 of the mesonotum ; the vertical angles globoselj' produced in front of the anterior margin of the e5'es, 

 which are somewhat pedunculate ; ocelli situate much farther apart from ej-es than from each other. 

 Pronotum with the lateral margins moderately convexlj^ sinuate, the posterior angles somewhat lobately 

 recurved. Anterior femora distinctly and prominently spined. Tympana almost totally uncovered and 

 exposed. Opereula very small, not covering the cavities. Tegmina and wings hyaline ; tegmina with the 

 basal cell much longer than broad, apical areas eight in number, interior ulnar area of irregular shape 

 and much wider at apex than at base ; wings with five apical areas. 



Rustia is a genus of small species, which according to present knowledge are confined to 

 India and South-eastern Continental Asia. 



1. Rustia dentivitta. (Tab. YIIL, figs. 14, a, h.) 



Cicadii deiilivittii, Walker, Joiun. Ent. vol. i. p. 304 (1862). 

 Bustia pidimculata, Stal, Berl. Ent. Zeit. 18GG, p. 383. 



3 . Body and legs brownish-ochractous ; head with a fascia on each side of front, two central 

 longitudinal spots to vertex, a spot on inner margin of eyes, and the anterior angles of vertex, black ; 

 pronotum with two central longitudinal fasciffi, on each side of which is an obhque fascia and the sublateral 

 margin, black. Mesonotum with two centrally united obconical spots, and a curved fascia on each lateral 

 area, black; abdomen with a faint central longitudinal fascia, and the apex above and beneath, more or 

 less blackish. 



Tegmina and wings hyaline; tegmina with the venation, costal membrane, and a series of large 

 marginal spots— sometimes united— on the longitudinal veins to apical areas, fuscous. 



Eostrum reaching the posterior coxa? ; the face moderately tumid, with strong transverse striations, 

 but with no trace of a longitudinal sulcation. 



Long. excl. tegm. ,? and 2 , 12 to 14 millira. Exp. tegm. 82 to 40 millim. 



Hab. — Continental India: Margherita in Assam (Doherty — coll. Dist.;i. Burma: Rangoon (coll. 

 Dist.K Siam (coll. Pascoe). Cambodia (Rtockh. Mus.). 



