New British Aphides. xlvii 



the length of the body : the rostrum is also pale yellow ; its tip and the eyes are 

 black : the tubes are pale yellow, with black tips, and about one-twelfth of the length 

 of the body : the legs are pale yellow ; the tarsi are black ; the tips of the tibise are 

 brown. 



Aphides on the Oak. 

 Aphis Malv,e ? 



The wingless viviparous female. — The body is nearly oval, rather long, convex, 

 shining, grass-green : the antennae are dull yellow and nearly as long as the body ; 

 the tips of the joints and the whole of the latter joints are brown: the eyes are dark 

 brown : the rostrum is pale green, with a brown tip : the tubes are pale yellow, with 

 brown tips, and about one fourth of the length of the body : the legs are pale yellow, 

 long and slender ; the knees, the feet and the tips of the shanks are brown. 



In the middle of May. 



Aphides on the Coltsfoot (Tussilago farfara). 

 Aphis vacillans. 



The wingless viviparous female. — The body is large, long, narrow, grass-green ; 

 the disk of the abdomen is pale yellowish green : the antennae are pale yellow, with 

 brown tips, and as long as the body : the eyes are dark brown : the mouth is green, 

 with a brown tip : the tubes are black and about one-twentieth of the length of the 

 body: the legs are long and pale yellow; the tarsi and the tips of the tibiae are 

 brown. 



The winged viviparous female. — While a pupa all the joints of the antennae have 

 black tips : when the wings are unfolded the insect is green : the disk of the thorax 

 is buff, streaked with brown above, black beneath : the antennae are black and as long 

 as the body : the abdomen has short black bands on its disk, and a row of black spots 

 on each side : the legs are black ; the thighs are dull yellow : the wings are colour- 

 less, and very much longer than the body. 



Aphides on the Prickly Saltwort (Salsola Kali). 



Aphis rufula. 



The wingless viviparous female. — The body is small and red : the antennae are 

 red, black towards their tips, and a little shorter than the body : the mouth is pale 

 red, with a black tip : the tubes are rather short : the legs are red : the knees, the 

 tarsi and the tips of the tibiae are black. 



Aphides on the Elder (Sambucus nigra). 



Aphis picta. 



The wingless viviparous female. — The body is elliptical, convex, dull yellow, varied 

 with purple : the antennae are dull yellow, and hardly half the length of the body : the 



