LIST OF HOMOPTKROUS INSECTS. 



11. TnlaUETRA ANOUSTATA. 



Tiiquetra angustata, Fairm. Ann. Soc. Enl. Fr. 2me Sirie, iv. 282, 



11. 

 Bogota. 



12. TrIQUETRA rnUNCATICORNIS. 



Triquetra truncaticonjiis, Fairm. Ann. Soe. Ent. Fr. 2me Sirie, iv. 



282, 12. 

 Hoplophora truncaticornis, Germ. Silb. Rev. Ent. iii. 244, II. 



Brazil. 



13. TiuauETRA sobbia, Fem. 



Flava ; prolhoracis comu dorsale carinis quadriradiatum ; comua 

 lateralia, carina dorsalis, pectus et abdomen niyra ; pedes 

 fulin ; tibia: postica apice picea; ; ala anticw fulva:. 



Yellow : head with a short black stripe which has a black dot 

 in i'roiit and two on each side : fore-chest thickly punctured, with a 

 short acute upright horn, irom whose tip four ridges radiale ou each 

 side ; each shoulder produced into a short compressed almost acute 

 horn, which is slightly inclined forward, mostly black and rather 

 broader than long ; keel black for three-fourths of the length from 

 the head, its tip acute, extending to the tips of the fore-wings: 

 breast partly black ; abdomen black ; tip beneath ferruginous : legs 

 tawny, tips of hind-shanks pitchy : fore-wings tawny, punctured 

 towards the base ; veins ferruginous: hind-wings paler. Length of 

 the body 4i lines; of the wings 9 lines, 

 fl. Quito. Presented by W. Hewitson, Esq. 



14. Triquetra venosa, Fern. 



Flava ; prolhoracis carina nigra ; abdomen nigrum, apice fulvum ; 

 pedes fulvi ; al(C anticw Jlavw, apice fulvtc. 



Yellow : head and fore-chest thickly punctured : fore-chest with 

 a short acute horn which is slightly inclined forward ; three very 

 slight almost parallel ridges proceed from its tip on each side, and 

 join one of the longitudinal ridges which are strongly marked ; each 

 shoulder produced into a short compressed conical horn which is 



