88 BEITISH APHIDES. 



Var. 1. Body black, with orange tibife. Abdomen 

 irregularly spotted with white downy patches. 



Yar. 2. Wholly black. 



Yar. 3. Body green, with white bands ; legs ochreous 

 or whitish ; hind femora, cornicles, and tail sooty-grey. 



Yar. 4. Head and thorax black ; abdomen green, 

 with white spots ; apical rings ferruginous ; legs pale. 



Pupa. 



Yery variable as to size. Black, marked with white 

 patches, much as in variety 2. Thorax and wing-cases 

 dark olive. 



Winged viviparous female. 



Body considerably larger than in the wingless form. 

 Dark olive. Antennge black except third joint, which 

 is ochreous. Abdomen very large, obscurely barred 

 with black, sides spotted. Base of cornicles green, 

 the other part black. Hind femora and tips of other 

 femora black, rest of the legs ochreous. Wings broad ; 

 cubitus aud stigma smoky ; veins brown. Haslemere, 

 middle of July. 



Last December I learned from my liberal corre- 

 spondent, M. Lichtenstein, that A. atripUcis is a very 

 common species during the summer at Montpellier, on 

 Chenopodium, and in autumn on Atriplex latifoUa, to 

 which plant possibly it migrates. From him I have 

 received living examples of the perfect female and the 

 male, both of which are apterous. They are much 

 smaller than any of the viviparous forms, and the male, 



