LIST OF HOMOPTEROUS INSECTS. 521 



broad red rays diverge to the border ; the side pair in front are 

 rather broader than the middle one which is accompanied by a slight 

 ridge ; shoulders produced into short black horns which are red at 

 the base; their breadth exceeds their length: legs tawny; shanks 

 striped with black : fore-wings pale tawny, brownish towards their 

 tips ; veins tawny. Length of the body 6 lines ; of the wings 14 

 lines. 



a. Brazil. From Mr. Walker's collection. 



16. Umbonia Pupa. 



a — c. British Guiana. Presented by Sir R. Schomburgk. 



17. Umbonia Pupa. 



a. Venezuela. From Mr. Dyson's collection. 



18. Umbonia Pupa. 



a. ? From Mr. Argent's collection. 



Genus 13. TRIQUETRA. 



Triquetra, Fairm. Ann. Soc. Ent. Fr. 2me Serie, iv. 279. 

 '^ Hoplophora, Germar. 



(J \. Triquetra inermis. 



Triquetra inermis, Fairm. Ann. Soc. Ent. Fr. 2me Serie,iv. 280, 1. 

 a. Columbia. From Mr. Turner's collection. 



2. Triquetra nigro-carinata. 



Triquetra nigro-carinata, Fairm. Ann. Soc. Ent. Fr. 2me Serie, iv, 

 280, 2. 



a. Columbia. From Mr. Turner's collection. 



