500 LIST OF HOMOPTEROCS INSECTS. 



6. Pterygia satanas. 



Pterygia satanas, Fairm. Ann. Soc. Ent. Fr. 2me Serie, iv. 264, 6. 

 Tragona satanas, Lesson, III. ZooL pi. 56, f. 2. 

 a. Para. From Mr. Stevens' collection. 



7. Pteeygia hispida. 



Pterygia hispida, Fairm. Ann. Soc. Ent. Fr. 2me Serie, iv, 265, 7. 

 Columbia. 



8. Pterygia Macquaeti. 



Pterygia Macquarti, De Lap. Ann. Soc. Ent. Fr. 1, 221, pi. 6. f. 6. 



6, a. Fairm. Ann. Soc. Ent. Fr. 2me Serie, iv. 265, 8. 

 Brazil. 



9. Pterygia horrifica, Fern. 



Centrotus horrifieus, Westwood, MSS. 



Nigra, tuherculata, spinosa ; prothorax supra hicornutus, postice 

 cornu longo undutato gibhoso armatus ; pedes lutei ; femora 

 nigra ; alee antica luridcs, piceo varice ; alee posticce limpidce. 



Body black : head and fore-chest thickly beset with little tu- 

 bercles and short spines ; most of the tubercles and some of the 

 spines are pale yellow : front transverse, slightly concave where it 

 joins the epistoma, its breadth about twice its length ; epistoraa 

 conical, much longer than the front; fore-chest armed above the 

 head with two horns which are full twice its depth ; they are com- 

 pressed, slightly curved backward, prismatic, truncated and much 

 widened at their tips where the compartments are slightly concave: 

 lower horn of the fore-chest extending horizontally a little beyond 

 the tip of the abdomen, undulating beneath at its base and more 

 slightly so towards the tip ; two conical protuberances on its upper 

 side, the first at the base about one-third of the breadth and of the 

 height of the second which is near the tip : abdomen roughly punc- 

 tured: legs lateous; thighs black: fore-wings lanceolate, lurid, 

 pitchy, punctured and tuberculated at the base and along the fore 

 border ; hind-wings colourless. Length of the body 2^ lines ; of 

 the wings 5 lines, 



o, h. Philippine Islands. From Mr. Cuming's collection. 

 c—e. Philippine Islands. From Mr. Wood's collection. 



