LIST OF HOMOPTEROUS INSECTS. 1041 



312. Aphis Veratri. 



Nigra, ovata, convexa^ obscura, cinereo pollinosa ; antennce corporis 

 dimidio vix breviores ; cornicula corporis decima longitudine ; 

 pedes albi,femoribus tibiisque apice tarsisque nigris. 



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

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

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

 legs white ; feet and tips of thighs and of shanks black. A. Rurai- 

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



Switzerland. 



313. Aphis teiphaoa. 



Nigra, fusiformis, viridis, aut nigro-viridis, albo pollinosa; an- 

 tenna basi JlavcB, corporis dimidio vex breviores ; cornicula 

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

 tibiis apice genubus 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 while, 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 inh^rens. 



Pallideflava, subovata, depressa, setosa ; antennce gracillimce, cor- 

 poris dimidio paullo breviores ; cornicula brevissima ; pedes 

 breves. 



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

 creasing in breadth from the head till near the 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 



