LIST OF HOMOPTEROUS INSECTS. 1037 



from the second at the tip than at the base, very much nearer to the 

 second at the base than the second is to the first; first fork a little 

 nearer to the second fork than to the third vein, nearer to the third 

 vein than the third is to the second ; second fork a little nearer to 

 the first fork than to the fourth vein ; fourth vein curved near the 

 base, straight towards the tip, nearer to the tip of the rib- vein than 

 to the second fork. Length of the body f line ; of the wings 2 

 lines. 



England. 



303. Aphis Melissa. 



Pallida, minuta, elliptica ; antenna corpore multo longiores ; cor- 

 nicula longissima. 



The viviparous wingless female. Elliptical, pale yellow, very 

 small : front narrow, with a conical protuberance on each side: feel- 

 ers very much longer than the body ; fourth joint about half the 

 length of the third ; fifth as long as the fourth ; sixth much shorter 

 than the fifth ; seventh as long as the third : nectaries about one- 

 third of the length of the body : legs long. Length of the body 

 i line. 



England. 



304. Aphis Cisti. 



Flavescens, minuta, brevis, lata, fere elliptica ; antenna corpore bre- 

 viores ; cornicula brevia. 



The viviparous wingless female. Yellowish, convex, small, short, 

 brown, almost elliptical : front slightly convex : feelers much shorter 

 than the body ; joints from the third to the sixth successively decreas- 

 ing in length ; seventh more than twice the length of the sixth : 

 nectaries about one-eighth of the length of the body : legs rather 

 short. 



The viviparous winged female. Feelers a little shorter than the 

 body: wings colourless ; distance between the first and second veins 

 more than twice farther at the tip than at the base ; third more than 

 twice farther from the second at the tip than at the base ; very little 

 farther at the base from the second than the second is from the first; 

 first fork nearer to the second than to the third vein ; second fork 

 often wanting ; fourth vein slightly curved, farther from the tip of 



