LIST OF HOMOPTEROUS INSECTS. 703 



1. PtYELUS FLAVESCENS. 



Tettigonia flavescens, Fahr. Ent. Syst. iv. 24, 30. 

 Cercopis flavescens, Fahr. Syst. Rhyn. 88, 1. 



a, Port Natal. From M. Gueinzius' collection. 



b, c. Port Xatal. From i\lr. Tucker's collection. 

 d,e. W. Africa? From Mr. Carter's collection. 



2. Ptyelus confluens. 



Testaceus, nigro varius; al(B anticcB confertim nigro maculatcc. 



Very nearly allied to P. flavescens, but distinguished by the 

 black marks on the head and on the chest, and by the more nume- 

 rous black marks on the fore-winys. Testaceous, shining, minutely 

 punctured : head black along the hind border, and with a black, tri- 

 angular spot on the lore border ; face with a black streak in the 

 middle, and with a black spot on each side, between which and the 

 eye there are three black spots : chest with a curved band of black 

 spots near the fore border; scutcheon with three black spots: three 

 black spots on each side of the breast : a black spot on each side of 

 the anterior shanks and of the fore-thighs: fore-wings with nume- 

 rous irregular black marks of various size: hind-wings colourless: 

 veins pale straw-colour. Length of the body 7 — 9 lines ; of the 

 wings 18 — 22 lines. 



a — c. Congo. Presented by Sir J. Richardson. 



3. Ptyelus grossus. 

 Cercopis grossa, Fahr. Ent. Syst. iv. 47, 1. Syst. Rhyn. 89, 4. 



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

 h. W.Africa? From Mr. Carter's collection. 



c, d. Port Natal. From M. Gueinzius' collection. 

 e,f. Cape. 



4. Ptyelus OLiY.^cEus? 



Tettigonia olivacea? Fabr. Ent. Syst. iv. 25131. 

 Cercopis olivacea ? Fahr., Syst. Rhyn. 89, 2. 



Viridis ; thorax piceo varius; femora antica et tibice anteriores 

 nigro fasciatce ; alee antica piceo maculatce. 



Dingy green, shining : head and chest very minutely punc- 

 tured : head above depressed, with a black spot on each side between 



