53 Mr. F. Walker's Descriptions of Aphides, 



lOtli var. Pupa. The body is rose-colour^ mottled with yel- 

 low : the limbs are yellowish white with black tips : the rudiments 

 of the wings are white with black tips. 



11th var. The feelers of the pupa are black, pale yellow at the 

 base : the nectaries are not more than one-fifth of the length of 

 the body : the rudimentaiy wings are pale brown. 



The winged insect is black : the fore-border and the hind- 

 border and the underside of the fore-chest are green ; the abdo- 

 men also is green, and has a row of black spots on each side of 

 it, and a large black subquadrate spot on its disc : the mouth is 

 pale green ; its tip is black : the nectaries are pale green, and as 

 long as one-sixth of the body ; their tips are black : the legs are 

 dull yellow ; the feet and the tips of the thighs and of the shanks 

 are black : the wing-ribs and the rib-veins are pale yellow ; the 

 brands and the other veins are pale brown. 



The oviparous windless female. This occurs in the beginning 

 of November : it is green, shining, and long-elliptic : the abdo- 

 men is lengthened towards the tip : the feelers are yellow, 

 black towards the tips, and nearly as long as the body : the 

 eyes are dark red : the mouth is pale yellow with a black tip : 

 the nectaries are yellow with black tips, spindle-shaped, and 

 rather more than one-sixth of the length of the body : the legs 

 are yellow ; the thighs are pale yellow, darker towards their tips ; 

 the knees, the feet, and the tips of the shanks are black. 



1st var. Body varied with darker green, and having three 

 green lines along the back. 



2nd var. Body yellowish green : the head, the chest, and the 

 tip of the abdomen are very pale yellowish green : the feelers are 

 black with the exception of the base, and a little longer than the 

 body : the eyes are black : the nectaries are nearly one-fourth of 

 the length of the body : the hind-shanks are dark yellow. 



3rd var. The fore-chest is olive-colour : the head and a row 

 of short bands on the abdomen are dark olive : the nectaries are 

 also olive. 



4th var. Pale green : the head, the chest, and the tip of the 

 abdomen are pale yellow : the feelers are pale yellow ; the tips of 

 some of the joints are black : the legs are also pale yellow ; the 

 feet and the tips of the shanks are black, 



5th var. Like the preceding, but with a lively green spot on 

 the middle of the chest. 



The winged male. It pairs with the oviparous female in No- 

 vember, and is black : the abdomen is yellowish brown with a row 

 of black spots on each side : the feelers are rather thick till near 

 their tips, and longer than the body; the fourth joint is much 

 shorter than the third ; the fifth is shorter than the fourth ; the 

 sixth is about one-third of the length of the fifth ; the seventh is 



