Revision of the Homopterous genera Cosmoscarta and 

 Phymatostetha, vnth descriptions of neiv species : by 

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



PLATE VIII. 



The Genus Cercopis of Walker {ncc Fabricius) has .Ijeen 

 very ripiitly divided by Dr. Stal into the two groups 

 Cosmoscarta and Phymatostetha, 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. Stal. 

 ^ 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. 

 . % 



AUied 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 blue-black ; pectus and legs 

 piceous, tibia? of hind pair of legs armed with a strong 

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



Cambodia {Mouhot). Two specimens. B.M. 

 ^ var. Entire basal third of tegmina reddish testaceous. 



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



3. C. hasinotata, n. sjy., 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, 



September 1st, 1874. T 



