Revidon of the Homopterous genera Cosmoscarta and 

 Pliymatostetha, with descriiotions of new species : by 

 Akthur G. Butler, F.L.S., F.Z.S, &c. 



PLATE VIII. 



The Genus Cercopis of Walker {nee rabricius) has been 

 very rightly divided by Dr. Stal into the two groups 

 Cosmoscarta and ■ Fhymcdostctlia, characterized at a glance 

 by the form of the thorax. The following is a revised list 

 of the species at present known to science. 



GENUS COSMOSCARTA. Skd. 

 1. G. tricolor. 



Cercopis tricolor, St. Fargeau and Serville, Enc. Meth. X., 

 p. 604 (1827) ; Burmeister, Hand. Ent. II., 1, p. 124, n. 1 

 (1835). 



Java. B.M. 



2. C. Siamensis, n. sp., fig. 1. 



Allied to C. tricolor, but in the form of the thorax more 

 like C. divisa. Head and thorax, basi-costal third of 

 corium, and basal fourth of clavus reddish testaceous ; 

 wings pale fuscous, the basi-costal veins and base reddish ; 

 abdomen above and below Ijlue-black ; pectus and legs 

 piceous, tibiiTG of hind pair of legs armed with a strong 

 spine. Length 18 mill. ; expanse of tegmina 42. 



Cambodia (MouJiot). Two specimens. B.M. 



var. Entire basal third of tegmina reddish testaceous. 



Laos (Mouliot). Two specimens. B.M. 



3. C. hasinotcUa, n. sp)., fig 2. 



Form of C. tricolor ; differs chiefly in having the tegmina 

 crossed at base by a patch of six red spots (that on the 



CiSTULA ENTOMOLOOICA, 



Septemhcr 1st, 1874. X 



