Mr. ^V. L. Distant on Homoptera. 213 



margins of front and vertex dis- 

 continuous Bavea. 



cc. Lateral margins of pronotum a little 

 convexly sinuate, posterior angles 

 more or less strongly ampliate. 

 ddd. Head with front triangularly pro- 

 duced, as long as broad at base, 

 margins of front and vertex dis- 

 continuous. 

 e. Basal segment of abdomen strongly, 



centrally, conically produced. . . . Musoda. 

 ee. Basal segment of abdomen not 



conically centrally produced .... Muda. 

 dddd. Head with front a little produced, 

 a little broader than long, margins 

 of front and vertex discontinuous. . BcBturia. 

 bb. Opercula in male convex and inflated, 

 projecting beyond the lateral margins 

 of the abdomen. 

 /. Head with the front short and broad, 

 much broader than long, margins of 



front and vertex continuous Gymnotympmia. 



ff. Head with the front narrow, about as 

 long as broad, margins of front and 



vertex discontinuous Kumanga. 



aa. Wings with five apical areas Conibosa. 



B. Tegmina with thirteen apical areas. 



ff. Wings with six apical areas Chlorocysta. 



C. Tegmina with eleven apical areas. 

 gg. Wings with five apical areas. 



/(. Apical areas of tegmina and wings of 



moderate length Mardalana. 



ggg. Wings with seven apical areas. 



hh. Apical areas of tegmina and wings very 



long Thaumastopsaltria, 



D. Tegmina with the venation of apical two 



thirds reticulate, apparently forming nume- 

 rous cells ; wings with nine apical areas .... Cgstojisaltria *. 



Genus Stagiea. 

 Stagira, StSl, Ann. Soc. Ent. Fr. (4) i. p. 621 (1801). 

 Type, S. simplex, Germ. (Cicada). 



Stagira Darwim\ sp. n. 



Body pale testaceous ; head beneath, sternum, femora, and 

 a basal spot to tegmina beneath ochraceous ; tarsi fuscous ; 

 tegmina and wings hyaline, the venation and costal mem- 

 brane to tegmina ochraceous ; lateral areas of the last two 

 abdominal segments piceous ; rostrum reaching the inter- 

 mediate coxje; space between costa and radial vein ocliraceous; 



* I only know this genus from the description and figure (partial) of 

 Coding and Froggatt. 



