44 Mr. F. Walker^s Descriptions of Aphides. 



and nearly twice the length of the body ; the wing-ribs and the 

 rib-veins are pale yellowish green; the veins are brown. 



1st var. The feelers are blacky and as long as the body : the 

 nectaries are pale green with black tips, and about one-fifth of 

 the length of the body. In the autumn. 



2nd var. Pale yellowish green : the lobes of the chest and the 

 breast are dark gray : the feelers are green at the base, and longer 

 than the body : the other limbs are pale yellow : the tip of the 

 mouth, the eyes, and the tips of the nectaries are black, and the 

 latter are nearly one-fourth of the length of the body : the knees, 

 the feet, and the tips of the shanks are black : the wing-ribs and 

 the rib-veins are pale yellow ; the wing-brands are pale brown, 

 and the other veins are brown. In the autumn, when the winged 

 females abound on the rose-leaf, and each of them is surrounded 

 by a group of its white or pale green little ones. 



Variation in the wing-veins. The second vein is forked, but the 

 third is undivided. 



The oviparous wingless female. This species in its nuptial state 

 is born of the winged female during October and some part of 

 November, and is very delicate and pretty : it has a pale lemon co- 

 lour : the head is almost white: the eyes are dark red: the limbs are 

 white : the feelers are blackish towards their tips : the tip of the 

 mouth and the tips of the nectaries are black, and the latter are 

 as long as one-fifth of the body : the knees and the tips of the 

 shanks are pale brown ; the feet are black : the hind-shanks are 

 sometimes pale brown. 



1st var. Green. 2nd var. Pale straw-colour. 3rd var. Buff. 

 4th var. Light buff varied with pale red. 5th var. Rose-colour. 

 6th var. Saffron. 7th var. Orange. 



The winged male. It pairs with the oviparous female in Octo- 

 ber and November, and is buff: the head, the disc of the chest 

 and that of the breast are brown : the abdomen has a black line 

 along the back and a row of black dots on each side : the feelers 

 are black, dull buff at the base, and much longer than the body : 

 the fourth vein is much shorter than the third ; the fifth is hardly 

 shorter than the fourth ; the sixth is less than half the length of 

 the fifth ; the seventh is nearly as long as the third : the mouth 

 is pale buff ; its tip and the eyes are black : the nectaries are pale 

 buff with black tips, and one-fifth of the length of the body : the 

 legs, especially the thighs, are pale yellow ; the knees, the feet, and 

 the tips of the shanks are black ; the wing-ribs and the rib-veins 

 are pale yellow ; the wing-brands are pale brown ; the other veins 

 are brown. 



1st var. Pale orange : the head, the disc of the chest and that 

 of the breast are black : the feelers are pale orange towards the 

 base : the eyes are dark red : the nectaries are dull brown, and as 



