BY F. W. CODING AND W. W. FROGGATT. 659 



apical areas. Abdomen inflated in the male; genital organs near 

 apex. Opercula short, narrow, widely separated. Last ventral 

 segment of female deeply emarginate at middle. 

 Type C. vitripennis, Westw. 



Synopsis of Species. 



1 (2). Pronotum narrowed from base to apex; ocelli equidistant 

 from each other and eyes; apex of anal area of wings 

 infuscated vitripennis. 



2(1). Pronotum with lateral borders parallel; ocelli nearer to 

 each other than to eyes; apex of anal area of wings not 

 infuscated via aula . 



*Chlorocysta vitripennis, Westw. (Plate xix., fig. 6). 



1851. Ann. Mag. Nat. Hist. p. 208. 



1903. Cystosoma id., Frogg., Agr. Gaz. N.S.W. p. 422; and Misc. 

 Pub. No. 643, p. 12. 

 Head equal in width to front of pronotum, front border strongly 

 arched forward; sordid greenish, front border and marks on each 

 side pale ferruginous; ocelli equidistant from each other and eyes; 

 front convex, with a longitudinal pale ferruginous stripe which 

 broadens towards apex; rostrum tawny, tip black, reaching apices 

 of posterior coxse. Pronotum broader at base than in front, 

 lateral borders dentate in front of middle, posterior angles some- 

 what broadened, prominent; sordid greenish, the furrows and irre- 

 gular spots ferruginous, hind border narrow. Mesonotum sordid 

 greenish, with four obconical ferruginous stripes, the outer pair 

 longer and reaching hind border, very much excavated; a ferru- 

 ginous spot in front of cruciform elevation, the anterior branches 

 of that elevation with a yellow spot. Tegmina vitreous, costa 

 pale greenish, venation pale ferruginous; ulnar veins distant; 

 ulnar area with sides parallel, apex acuminate. Wings vitreous, 

 venation dark brown, anal area with apex and streaks near base 

 infuscated. Abdomen inflated in the male; pale greenish-ferru- 

 ginous, apical borders of segments darker, a row of ferruginous spots 

 on each side, with golden hairs. Body below sordid green, apical 

 borders of abdominal segments darker; mesosternum elevated. 



