]6 Hoivard Ashton : 



Sub-family Cicadinae. 

 Division Polyneuraria. 

 Gen. Platy pleura, Am. and Serv. 



P. ^•IGROMARGINATA, D. sp. 



Jiale. — Hecuh ochraceous. with a faint tint of green. Eyes brown, 

 ocelli red. a slender broken l)lack fascia between eyes, passing 

 through region of ocelli. Proiiot n ni , ochraceous, faintly greenish, 

 central tranverse fascia on anterior margin, and margins of pos- 

 terior marginal area l>lack, with broad V)lack margins to the 

 strongly produced lateral processes, enclosing a triangular spot on 

 each of these produced areas. MexoDof uni shining chocolate brown, 

 two comma-shaped spots in centre of anterior margin, and a trans- 

 verse spot, anteriorly ol»tusely angled in the depression before the 

 ci-uciform elevation. Ijlack. Cruciform elevation with broad flat- 

 tened disc, light yellowish olive. Ahdnnnui shining black, sparsely 

 greyishly pilose, with obseure central dorsal castaneous fascia, final 

 segmenr brown, tip black. Head beneath obscurely ochraceous, 

 frontal rugae castaneous. central frontal sulcus, two large spots be- 

 tween eyes and front, and two converging fasciae beside clypeus, 

 blai'k. Sternum ochraceous. nuirked with black, heavily pilose, 

 pronotal lateral margins same as above, legs castaneous, with joints 

 yellow. Abdomen beneath didl ocliraceous, with central broad black 

 longitudinal fascia. Opercula translucent brown. Tegmina and 

 iriiKjs. hyaline, venation rtchraceous, a little fuscous at apices, slight 

 infuscations al)out tegminal apical areas, including bases of same 

 and a series of faint spots on ends of longitudinal veins. Anal 

 areas of wings a little dusky. Head very slnnt. not half as long as 

 pronotum. as wide (including eyes), as jironotum and mesonotuni 

 (excluding pronotal margins), front depiessed, not seen from 

 above, flattened beloAv, deeply centrally sulcate and laterally cari- 

 nate. Rostrum yellow, darker at tip. just passing hind coxae. 

 Opercula very s(|uaie. just touching in centre. 

 I male in Coll.. H. A. 

 LriKjth. — 24 mm.. ; exp. teg.. 80 mm. 

 //r/A.— Africa. Kntel>be. T^^anda. 



Pla'i'Vpi.kura siktmha. n. sp. 

 11 1(1(1 l)i-owiiish ocliraceous, two black fasciae lietwcen eyes, one 

 pasiug tlirough l)ase of front, tlie (tther across region of ocelli. 



