C H L 11 C Y S T A R I A. 153 



Division CIILOROCrSTARIA. 



Chloroci/staria, Dist. Ann. Mag. Nat. Hist. (7) xvi. p. 212 

 (1905) ; id. Faun. B. L, Rhynch. iii. p. 170 (I'JUG). 



S^nojxsis of Genera. 



A. Tegmina with eight apical areas. 

 a. Wiugs with six apical areas. 



b. Opercula in male of ordinary structure. 



c. Latersil margins of pmnotuin obliquely 



straight, posterior angles very slightly 



amjiliate. 



d. Head with front not ])roduced and much 



broader than long, margins of front and 



vertex continuous Star/ira *. 



del. Head with front much subconically pi"o- 

 duced, as long as broad at base, margins 



of front and vertex discontinuous Bavea. 



cc. Lateral margins of pronotum a little con- 



vexly sinuate, posterior angles more or 



less strongly ampliate. 



ddd. Head with trout triangularly produced, 



as long as broad at base, nuxrgins of 



front and vertex discontinuous. 



e. Basal segment of abdomen strongl)', 



centrally, coni(!ally ])roduced Musoda^. 



ee. Basal segment of abdomen not conically 

 centrally produced. 

 Basal segment of abdomen with a pro- 

 minent lateral nodosity on each 



.side , . . . Ahmnba. 



Basal segment of abdomen without 



lateral nodosities Muda. 



dddd. Head with front a little produced, 

 a little broader than long, margins of 



front and vertex discontinuous Bcetwia. 



bb. Opercula in male convex and inflated, pro- 

 jecting beyond the lateral margins of the 

 abdomen. 

 /. Head with the front short and broad, much 

 broader than long, margins of front and 



vertex continuous Gynviotympana. 



ff. Head with the front narrow, about as long 

 as broad, margins of front and vertex dis- 

 continuous Kiimanga. 



aa. Wings with live apical areas Conihosa. 



B. Tegniina with thirteen apical areas. 

 g. Wings with six apical areas Chlorocysta, 



* Paectira, Karsch, is allied to this genus, but I know it only by tigure. 

 t Nablistes, Karsch, is allied to Musuda, but I possess only a tlrawing of 

 its type. 



