Mr. F. AValker's Descriptions of Aphides. 297 



oval. During the spring and the early part of summer it abounds 

 under the red swollen leaves^ and like many of the clustering 

 species is the favourite food of the grubs of the ladybirds and of 

 the Syrjihi. 



The viviparous winged female. While a pupa it is pale green ; 

 the limbs are almost white ; the feelers are as long as the body ; 

 the tips of some of the joints are pale brown : the eyes are dark 

 red : the nectaries are rather more than one-fifth of the length 

 of the body : the feet and the tips of the shanks are brown. 



1st var. Greenish white. 



2nd var. Nearly white. 



3rd var. Grass-green. 



4th var. Bright yellow^ nearly elliptical, and having a vivid 

 green stripe along the back : the eyes are red : the limbs are pale 

 yellow or almost white. 



The wings are unfolded in May, and the insect is then yellow 

 and slightly varied with green : the head, the chest and the 

 breast are brown : there is a large black spot near the tip of the 

 abdomen, and a row of small black spots on each side : the feelers 

 are brown, and longer than the body : the eyes are black : the 

 mouth is pale yellow with a black tip : the nectaries have also 

 black tips, and are nearly one-fifth of the length of the body : the 

 legs are dull yellow ; the feet and the tips of the thighs and of 

 the shanks are black : the wings are coloui'less, and very much 

 longer than the body : the wing-ribs are very pale yellow ; the 

 wing-brands and the veins are brown. 



5th var. The head and the chest are buff: the abdomen is 

 pale green varied with darker colour : the feelers are black, pale 

 green towards the base ; the base of the third joint is pale yel- 

 low : the eyes are dark brown : the tip of the mouth is brown : 

 the nectaries are pale yellow with brown tips, and nearly one- 

 fourth of the length of the body : the legs are pale yellow ; the 

 knees, and the tips of the thighs and of the shanks are brown : 

 the wing- ribs are pale green; the rib-veins are buff; the wing- 

 brands are dark buff. 



6th var. The head, the chest and the abdomen are black : 

 the feelers are black, yellow at the base, and a little shorter than 

 the body. 



7th var. Yellow : the back of the head is brown : the chest 

 is streaked with dull red : there are transverse black spots with 

 dark green edges on the back of the abdomen : the feelers are 

 black, and a little longer than the abdomen : the nectaries are pale 

 yellow, and about one-eighth of the length of the body. 



8th var. Yellow : there is a broad brown band across the 

 fore-chest : the middle-chest is brown : the breast is black : the 

 abdomen has a large quadrate black spot on its disc, and a row 



