LIST OF HOMOPTEROUS INSECTS. 205 



O 157. Cicada annulftena, Mas. 



Nervus transversus \us siibundalus, obliquiis, angulum valde oh- 

 tusum fingens, 2o plus tripld ejus longitiidine divisus ; 2us 

 svbrectus, valde ohliquus angulum perobtusum fingens^ \o 

 paullb brevior ; 3us siibcurvus, obliquus, angulum acufum 

 Jin gens ; Aus fere rectus, angulum acutum fingens, \o paullb 

 brevior et obliquior. 



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

 very slightly waved, slanting, forming a very obtuse angle, parted 

 from the second by much more than thrice its length ; second nearly 

 straight, very slanting, forming an extremely obtuse angle, a little 

 shorter than the first ; third very slightly curved, slanting, forming 

 an acute angle ; fourth nearly straight, forming an acute angle, a 

 little shorter and more slanting than the third ; fifth very slightly 

 curved, nearly upright, forming a hardly acute angle. Body black : 

 head rather small, narrower than the fore-chest, adorned with a 

 pale yellow spot on each side of the face, and with two other yellow 

 spots nearer the eyelets ; face slightly convex, not at all prominent : 

 mouth black, tawny towards the base : eyes prominent : feelers 

 black, stout : fore-chest narrower in front than behind, adorned with 

 five tawny stripes ; the middle one linear, the inner pair nearly 

 straight, the outer pair very oblique ; hind-scutcheon narrow in the 

 middle, widened on each side, rounded near the base of each fore- 

 wing: scutcheon of the middle-chest adorned on the disk with the 

 indication of a tawny, double V-shaped mark, and on each side with 

 an oblique tawny stripe; cross-ridge tawny; excavation on the 

 hind border very slight: abdomen slightly obconical, very much 

 longer than the chest ; hind borders of the segments and under side 

 tawny : opercula none ; tymbals white ; drums small, pale tawny, 

 parted by a narrow interval : legs black : thighs and shanks adorned 

 with tawny stripes ; fore-thighs armed with two stout teeth : wings 

 colourless; veins tawny, marked with black at the base, darker at 

 the tips ; veins and fore border of the fore-wings adorned with nu- 

 merous brown bands, indications of which may be observed on the 

 veins of the hind-wings ; cross-veins of the fore-wings clouded with 

 brown ; a row of brown dots at the tips of the longitudinal veins of 

 the marginal areolets; flaps of the hind-wings tinged with pale 

 brown at the base. Length of the body 7^ lines; of the wings 18 

 lines. 



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



