1887.] E. T. Atkinson— Notes on Indian Rliynchota. 23 



Gymnocerata, Fieber, Renter. 



Cimex, Linn. : Cimicides, Latr. : OeocoriscB, Latr. : Geocores, Burm., Dallas : Auro- 

 corisa, Westw. : Terrestria, Leach : Geocorisce and Amphihicorisce, L. Dafour, Spin., 

 Sahib, et anct. 



AntennaD exserted, at least as long as tlie head, joints withont lateral 

 processes : rostrnm 3 — 4-jointed, rising from the anterior and usually the 

 upper part of the head, at the base remote from the first pair of coxos : 

 feet not adapted for swimming : antennaa with 4 — 5 joints rarely with 

 only three joints. 



Fam. Pentatomidj:, Kolenati. 



Pentatoma, pt. Olivier, En. Meth. iv, p. 25 (1789) : Cimex, pt. Fabr. Ent. Syst. 

 iv, p. 79 (1794) : Scutati, Burm. Handb. Ent. ii (i), p. 343 (1835) : Longiscuti, Am. 

 and Serv. Hist. Nat. Ins. Hem. p. 19 (1843) : Scutata, Dallas, List Hem. i, p. 2 

 (1851) : Pentatomidce, Kolenati, Mel. Ent. iv, (1846) : Stal, En. Hem. v, p. 3 ,(1876) : 

 Pentatomida, pt., Stal, Hem. Afric. i, p. 32 (1864). 



Head very often clypeated, rostrum 4-jointed, inserted usually near 

 tlie labrum towards the apex of the head, seldom towards the base of 

 the head : antennaa with 4 — 5 joints, inserted on the lower side of the 

 head below the lateral margins : scutellum very large, reaching at least 

 the base of the membrane. 



Subfam. Plataspina, Stal. 



Ennm. Hem. v, p. 3 (1876) i—Plataspidoe, Dallas, List Hem. B, M. i p. 61 (1851) : 

 Plataspidintty Stal, Ofvers. K. V. A. Eorh., p. 611 (1870) : Arthropteridce, Fieber, 

 Eur. Hem. p. 27 (186i; ; Arthropterida, Stal, Hem. Afric. i, p. 1 (1864). 



Head clypeated : rostrum 4- jointed, inserted towards the base of 

 the head, remote from the source of the labrum : scutellum very large, 

 covering the entire abdomen : hemelytra longer than the body, with the 

 apical half folded inwards : longitudinal veins of membrane simple : 

 tarsi 2- jointed, the first joint very short. 



Genus Tarichea, Stal. 



A. S. E. F. (4 s.) V, p. 163 (1865) : Stal, En. Hem. v, p. 6 (1876) : Walker, Cat. 

 Het. i, p. 10 (1867). 



Body very broadly ovate, above very much convex, beneath some- 

 what flat : head clypeate, very broadly rounded 'before the eyes, juga 

 contiguous before the tylus : eyes slightly transverse : ocelli more dis- 

 tant from each other than from the eyes : lateral margins of thorax 

 roundly dilated : scutellum covering entire abdomen, abruptly amplified 

 at the base ; feet somewhat short {Stal), 



