LIST OF HOMOPTEROUS INSECTS. 541 



18. ACONOPHORA COMPEESSA, Mas. 



Picea ; caput nup'icans ; pectus et abdomen ni(/ra ; pedes ferru- 

 ginei ; femora nigro vittata; aUe subfusca. 



Pitchy, thickly clothed with yellow down : head blackish, 

 transverse, of moderate length, nearly as broad as the fore-chest, 

 very slightly convex along the hind border, tawny on each side of 

 the notch in front : fore-chest thickly and minutely punctured, 

 ridged in front and at the tip, slightly impressed on each side near 

 the fore border, prolonged in front of the head into a conical, hardly 

 ascending, much compressed horn, with a rather broad blackish rim, 

 its length is much less than twice its breadth ; hind part extendinij; 

 a little beyond the tip of the abdomen, slightly attenuated towards 

 the tip, which is very acute : breast and abdomen black : legs ler- 

 ruginous ; thighs streaked with black ; hind tibiae beset with minute 

 spines, whose tips are l)lack : wings pale brown ; fore-wings slightly 

 punctured at the base ; veins pitchy ; areolets long. Length of the 

 body 3 lines ; of the wings 6^ lines. 



a. Mexico. Presented by E. P. Coffin, Esq. 



19. ACONOPHORA INTERNA, Fcm. 



Fulva ; 'proihoracis carina fiava ; cornu utrinque carinatum ; alec 

 limpidfc ; ales anticce ad costam fulire, macula apicali lim- 

 pida. 



Tawny : head punctured, transverse, triangular, very slightly 

 convex along the hind border, deeply notched on the fore border, 

 much narrower than the fore- chest : eyes prominent : fore-chest with 

 a slight yellow ridge, roughly punctured, prolonged into a conical 

 much compressed horn, which is nearly upright and hardly ad- 

 vances in front of the head, its height much exceeds its width, and 

 some slight ridges diverge on each side from its tip to its base ; 

 shoulders nearly rectangular, rather prominent ; hind part of fore- 

 chest rather deeply keeled, extending to the tip of the abdomen : 

 legs pubescent : wings colourless ; fore-wings tawny along the whole 

 length and on half the breadth beneath the fore border, with the 

 exception of a colourless spot near the tip, punctured at the base 

 and along two-thirds of the length of the fore border ; veins tawny. 

 Length of the body 3 lines ; of the wings 5 lines. 



a. Brazil. 



2 13 3 



