LIST OF HOMOPTEBOUS INSECTS. 



borders, the latter are tuberculated towards the base ; veins tawny ; 

 longitudinal veins numerous ; cross-veins rather numerous in the 

 disk ; fore border convex, along it a row of oblique parallel cross- 

 veins of nearly eqnal length : hind-wings colourless. Length of 

 the body 2i lines ; of the wings 9 lines. 



.'52. PorCILOl'TEEA. PLANA. 



Flava ; caput breve ; thorax carinatus ; tarsi fulm ; al<B antictB 

 flavce, apice subtruncatie, margine postico tuberculatce. 

 Body yellow : head short ; crown very short, much arched, 

 bordered by a rim ; front almost flat, broader towards the epistoma, 

 bordered by a rim, much longer than broad, hardly concave where it 

 joins the epistoma, with a middle ridge which extends along three- 

 fourths of the length from the crown ; epistoma with oblique ferru- 

 ginous stripes on each side: fore-chest conical, bordered in front 

 by a rim, with a middle ridge, slightly concave along the hind 

 border, its length in the middle about thrice of that on each side: 

 middle-chest full thrice the length of the fore-chest, with a very slight 

 middle ridge : abdomen wanting : legs yellow ; feet tawny : wings 

 broad : fore-wings ])ale yellow, almost truncated at the tips which 

 form slightly obtuse angles with the hind borders, the latter are 

 tuberculated and slightly dilated towards the base; veins tawny; 

 longitudinal veins rather numerous; cross-veins very numerous, 

 irregular ; fore border slightly convex, along it a row of oblique 

 parallel cross-veins which slightly decrease in length towards the tip. 

 Length of the body 3i lines ; of the wings 13 lines. 



53. P(ECIL0PTE11A NIVIFERA, Fem. 



Lutea ; abdomen crutatmn ; pedes albo-fiavi ; tarsi fulvi; ala an- 

 tic(C albida;, apiec subtruncatie, margine postico tuberculata ; 

 aire postica albce. 



Body luteous: head wanting: fore-chest short, low, arched: 

 middle-chest more than four times the length of the fore-chest, with 

 a pale stripe on each side : abdomen paler and a little longer than 

 the chest, obconical, crested : legs yellowish white ; feet tawny : 

 wings broad : fore-wings whitish, almost truncated at the tips which 

 form a slightly obtuse and somewhat rounded angle with the hind 

 borders, the latter is tuberculated and slightly dilated towards the 

 base; veins tawny ; longitudinal veins numerous ; cross-veins rather 



