224 LIST OF HOMOPTEEOUS INSECTS. 



178. Cicada gracilis, Fein. 



Nerviis transversus lus subcurvus, subobliquus, anguliim rectum 

 jingens, '2o quadruplb ejus longitudine divisus ; 2us rectus, 

 subobliquus, angulum obtuswn fingens, \o multo brevior ; 3ms 

 subcurvus, subobliquus, angulum rectum Jingens ; Aus sub- 

 curvus, subobliquus, angulum subucutum Jingens, 3o multb 

 longior. 



Second marginal areolet longer than the first: first cross-vein 

 very slightly curved, slightly slanting, forming a right angle, parted 

 from the second by four times its length ; second straight, slightly 

 slanting, forming an obtuse angle, much shorter than the first ; third 

 very slightly curved, slightly slanting, forming a right angle ; fourth 

 slightly curved, slightly slanting, forming a slightly acute angle, 

 much longer than the third ; fifth curved, nearly upright, forming 

 an almost right angle. Body black, slender, tawny beneath : head 

 much narrower than the fore-chest, clothed with short yellow hairs, 

 adorned with a tawny spot on each side in front by the base of the 

 feelers ; face prominent, very convex, clothed with pale hairs, 

 adorned with a tawny stripe in the middle and with a tawny band 

 on each side : mouth tawny with a black tip : eyes rather large and 

 prominent : feelers black, stout, tawny towards the tips : fore-chest 

 narrower before than behind, adorned with four tawny spots, two on 

 the fore border and two on the hind border, the latter are more re- 

 mote from each other than the former pair ; hind-scutcheon tawny, 

 rather narrow in the middle, widened, extending beyond the scut- 

 cheon and adorned with a short black stripe by the base of each fore- 

 wing, nearly straight on each side : scutcheon of the middle-chest 

 tawny on each side, its disk adorned with two tawny streaks which 

 are much widened towards the hind border, the latter is hardly ex- 

 cavated: abdomen obconical, longer and a little narrower than the 

 chest, clothed with whitish hairs, ferruginous on each side ; under 

 side adorned with a row of ferruginous spots : oviduct ferruginous : 

 legs tawny, adorned with pitchy stripes ; feet pitchy ; claws ferrugi- 

 nous with pitchy tips ; lore-thighs armed with three stout ferruginous 

 teeth; spines on the hind-shanks ferruginous, very long: wings 

 colourless ; fore border yellow ; veins tawny ; a broad oblique stripe 

 ])roceeds from the fore border and clouds the cross-veins from the 

 first to the fourth, and the intermediate parts of the longitudinal 

 veiiiJS, and is broadest beneath the fore border ; fore-flaps pale buff" ; 

 veins of the hind-wings pale tawny ; flaps pale buff" at the base and 

 along part of the hind border. Length of the body 7\ lines ; of the 

 wings 18 lines. 



a. South Africa. Presented by Dr. A. Smith. 



