252 APPENDIX. - CAPSID^E. 



Genus DIOPHANTUS. 

 (To precede Calocoris, Vol. II, p. 451.) 

 Dioplmntus, Dist. A. M. N. H. (8) iv, p. 510 (1909). 



Type, D. literatus, Dist. 



Distribution. Ceylon. 



Head somewhat large, longer than broad, the lateral margins 

 slightly sinuate, centrally slightly longitudinally ridged ; eyes 

 iarge, a little obliquely directed backward ; autennae with the first 

 joint scarcely as long as head, second about three times as long as 

 first, first and second longly pilose, third and fourth slender, third 

 about half the length of second and distinctly longer than fourth ; 

 rostrum reaching the posterior cox 33 ; pronotum nearly twice as 

 broad at base as long, the basal margin convex and about two and 

 a half times as broad as anterior margin, transversely impressed 

 near anterior margin, and behind this impression two transverse 

 callosities, lateral margins oblique ; scutellum triangular ; coriuni 



Fig. 136. Diophantus literatus. 



(including cuneus) a little longer than posterior tibiae, the costal 

 margin slightly convex ; cuneus broad, elongately triangular, the 

 basal margin towards inner apex obliquely deflected to membrane ; 

 membrane passing abdominal apex, with a short subquadrate 

 posteriorly subtruncate cell, to which is attached a smaller inner 

 cell ; legs of moderate size and length ; posterior tarsi with the 

 first and second joints subequal in length ; body and legs thickly, 

 more or less longly pilose. 



In this Indian enumeration I place the genus near Eurycyrtus 

 and Calocoris. 



