280 Mr. W. L. Distant on Homoptera. 



membrane very broad, more than apical half with the venation 

 reticulate and forming very many cellular areas, upper vein 

 of lower ulnar area amalgamated at base witli lower vein of 

 radial area ; wings hyaline, with eight apical areas. 

 Type, //. Dis/anti, Brancsik [Ilemidictya). 



Division Tettigarctaria. 



A division at present only represented by one remarkable 

 genus, in which the pronotum differs from that in any other 

 genus of the family by its large size, produced posteriorly 

 and almost covering the mesonotum. 



Genus Tettigarcta. 

 Tettigarda, White, Eyre's Trav. in Australia, Appeud. i. p. 412 (1845). 

 Type, T. tomentosa, White. 



APPENDIX. 



Taphuraria. 



DULDERANA, gen. nov. 



Head broad, eyes projecting beyond the anterior angles of 

 the pronotum, front broad, considerably shorter than vertex 

 and centrally longitudinally finely sulcate, margins of front 

 and vertex moderately discontinuous, ocelli nearer to each 

 other than to eyes ; pronotum about as long as broad, its 

 lateral margins slightly convex, its posterior angles angu- 

 lately ampliate ; mesonotum (including cruciform elevation) 

 about as long as head and pronotum together ; metanotum 

 posteriorly and laterally produced behind the exposed 

 tympana ; abdomen in male very short, not so long as space 

 between apex of head and base of cruciform elevation ; 

 rostrum reaching the posterior coxae; opercula narrow, con- 

 vexly transverse, obliquely curved inwardly, a posterior 

 metasternal process occupying the space between their inner 

 angles ; anterior femora with three strong spines beneath ; 

 tegmina about half as long again as the body, costal margin 

 suddenly arched near base, third ulnar area very broad and 

 long, second ulnar area very short, oblique, only about half 

 the greatest length of first, lower ulnar area very narrow, its 

 upper margin well separated from lower vein of radial area, 

 upper vein of penultimate ulnar area emitted at some distance 



