2220 Insects. 



than the body : the eyes are dark red : the rostrum is green : its tip is black : the tubes 

 are black and about one-fifth of the length of the body : the tip of the abdomen is 

 pale green : the legs are long and pale yellow ; the thighs from the middle to the 

 tips, the tarsi and the tips of the tibiae are black ; the hind tibiae from the base to the 

 middle are dull yellow and slightly dilated. 



Aphis adjuta. 



The winged viviparous female. This, while a pupa, is dull red, elliptical, rather 

 flat and of moderate size : the head and the rudimentary wings are greenish : the an- 

 tennae are black, dark red towards the base, and a little longer than the body : the 

 rostrum is dull yellow, with a black tip : the eyes are dark red : the tubes are black 

 and about one-sixth of the length of the body : the legs are dull yellow and rather 

 long ; the tarsi, and the tips of the thighs and of the tibiae, are black. 



Aphis conjuncta. 



The wingless viviparous female. The body is bright yellow, oval, convex, smooth, 

 of moderate size, and rather slender : the antennae are pale yellow and longer than 

 the body ; the tips of the joints are black : the eyes are very dark red or almost black : 

 the rostrum and the tubes are pale yellow, with black tips, and the latter are as long 

 as one-fourth of the body : the legs are very long ; the tarsi and the tips of the tibiae 

 are black : the antennae and the legs are somewhat bristly. 



Aphis basalis. 



The wingless viviparous female. The body is grayish green, with a whitish bloom 

 beneath, and of rather small size: the antennae are dull yellow, with black tips, and 

 much longer than the body : the mouth is pale yellow ; its tip is black : the tubes are 

 dull yellow, black at the base and at the tips, and at least one-fourth of the length of 

 the body : the legs are long and dull pale yellow ; the knees, the tarsi and the tips of 

 the tibiae are black. 



Aphis familiaris. 



The wingless viviparous female. The body is small, oval, buff, smooth, shining, 

 and rather flat : the back is very finely granulated and slightly varied with red and 

 green : the antennae are pale yellow, black towards the tips, and less than half the 

 length of the body : the rostrum is 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 and rather short ; the tarsi and the tips of the tibiae are black. 



Aphis adjuvans. 



The oviparous wingless female. The body is granulated, elliptical, buff, tinged 

 with red, and is narrower and longer than that of the preceding species : the head is 

 crenulate or dentate in front, and there are two little black dots between the eyes : the 

 antennae are pale yellow, with black tips, and about one-fourth of the length of the 

 body : the legs are pale yellow ; the hind tibiae are brown. 



Aphis adscita. 



The ivingless viviparous female. The body is grass-green, small, oval, and rather 

 flat : the antennae are black and nearly as long as the body : the eyes are dark red : 



