LIST OF HOMOPTEROUS INSECTS. 



312. Aphis Veratri. 



Nigra, ovata, convexa, obscura, cinereo pollinosa ; antenn<B corporU 

 (limitlio vix breviores ; cornicula corporis decima tongitudine ; 

 pedes albi, femoribus tibiisque apice tarsisque nigris. 



The viviparous wingless female. Black, oiral, convex, small, not 

 shining, with a slight gray bloom : feelers nearly half the length of 

 the body : nectaries about one-tenth of ihe length of the body : 

 legs while ; feet and tips of thighs and of shanks black. A. Rumi- 

 cis, Var ? From Veratrum album. Length of the body } line. 

 Switzerland. 



313. APHrs TBIPHAOA. 



Nigra, fitsiformis, viridis, out nigro-viridis, alho pollinosa; an- 

 tenna; basi Jlavce, corporis dimidio vex breviores ; comiciila 

 alba, apice nigra, corporis decima non longiores ; pedes flavi, 

 tibiis apice genubw tarsisque nigris. 



The viviparous wingless female. Small, spindle-shaped, very 

 variable in colour, being either black, dark olive-green, or dull red, 

 always covered with white bloom : feelers black, pale yellow towards 

 the base, hardly half the length of the body : mouth pale yellow, 

 with a black tip : nectaries white, hardly one-tenth of the length of 

 the body ; tips black : legs pale yellow, moderately long ; knees, 

 feet, and tips of shanks black. On Epilobium. 

 England. 



314. Aphis inhabens. 



Pallidejlava, subovata, depressa, setosa ; antenna gracillinut, cor- 

 poris dimidio paullo breviores ; cornicula brevissima ; pedes 

 breves. 



The vimparous wingless female. Pale yellow, flat, bristly, in- 

 creasing in breadth from the head till near ihe tip of the abdomen : 

 mouth nearly reaching the middle hips: feelers very slender, rather 

 less than half the length of the body; fourth joint much shorter 

 than the third ; fifth a little shorter than the fourth ; sixth as long 



PART IV. 3 Y 



