LIST OF HOMOPTEEOUS INSECTS. 109 



armed with three tawny teeth : wings colourless ; veins tawny, 



darker towards the tips ; cross-veins from the first to the fourth 



clouded with brown ; primitive areolet pitchy ; flaps yellow towards 



the base. Length of the body 17 — 20 lines; of the wings 44 — 48 



lines. 



a, b. ? 



10. Cicada plaga, Mas et Fem. 



Nervus transversus lus fere rectus, valde obliquus, angulum perob- 

 tusumfingens, 2o plus duplb ejus longitudine divisus ; 2us siib- 

 curvus, valde obliquus, angulum perobtusum fin gens, \o paullo 

 longior ; 3?w undatus, obliquus, angulum acutum fingens ; 4us 

 subundatus, obliquus, angulum acutum fingens, 3o paullo lon- 

 gior. 



Second marginal areolet about five-sixths of the length of the 

 first : first cross-vein almost straight, very slanting, forming an ex- 

 tremely obtuse angle, parted from the second by much more than 

 twice its length ; second slightly curved, very slanting, forming an 

 extremely obtuse angle, a little longer than the first ; third waved, 

 slanting, forming an acute angle ; fourth slightly waved, slanting, 

 forming an acute angle, a little longer than the third ; fifth curved, 

 upright, forming a hardly acute angle. Body ferruginous above, 

 tawny beneath ; head a little broader than the fore-chest ; a broad 

 black band on the crown which is sometimes quite black ; face con- 

 vex, adorned with black bands or quite black: eyes prominent : mouth 

 tawny with a black tip, extending beyond the middle-hips : scutcheon 

 of the fore-chest adorned with black marks which prevail most in the 

 male ; hind-scutcheon broad, furrowed across, rounded and slightly 

 widened on each side, darker in the male than in the female, as is 

 also the rest of the body : middle-chest of the male mostly black, 

 of the female adorned with four broad obconical black stripes; hind 

 border slightly excavated: abdomen of the male mostly black above, 

 longer than that of the female ; third segment adorned on each side 

 with a large patch of whitish shining down : legs tawny ; fore-feet, 

 fore-shanks and middle-shanks mostly black ; fore-thighs armed be- 

 neath with three teeth : wings colourless ; fore border black ; veins 

 black, ferruginous towards the base ; first and second cross-veins 

 clouded with brown ; primitive areolet ferruginous ; fore-flaps gray ; 

 hind-Haps brown at the base. Length of the body 14 — 18 lines; 

 of the wings 44 — 50 lines. 



a — c. New Holland. 



