390 Mr. F. Walker’s Descriptions of Aphides. 
than the fourth; the sixth is much shorter than the fifth; the 
seventh is more than twice the length of the sixth. 
Ist var. The body is dull yellowish green varied with red: the 
feelers are dull yellow, black towards their tips, and a little 
shorter than the body: the mouth is yellow with a black tip: the 
nectaries are dull yellow with black tips: the legs are yellow ; 
the feet and the tips of the shanks are black. 
Found in September, near Newcastle, by Mr. Hardy. 
The viviparous winged female. The body is black and rather 
small: the borders and the underside of the fore-chest and the 
abdomen are dark yellowish green; the dise of the latter is 
black: the feelers and the nectaries are black, and the latter are 
nearly one-fifth of the length of the body: the legs are yellow ; 
the feet and the tips of the thighs and of the shanks are black : 
the wings are colourless and very much longer than the body ; 
the wing-ribs and the rib-veins are pale yellow; the brands and 
the veins are brown. 
Length of the body } line; of the wings 2 lines. 
84. Aphis Tussilaginis, n. s. 
The viviparous wingless female. This species was found in the 
latter part of October near Lancaster on Tussilago Farfara. The 
body is large, convex, narrow, linear and brown: the head is 
black : the feelers are pale yellow, and as long as the body ; the 
tips of the joints are black : the mouth is pale yellow, and reaches 
the hind-hips; its tip and the eyes are black: the nectaries are 
pale yellow, black at the base and at the tips, and as long as 
one-fourth of the body: the legs are long and pale yellow ; the 
knees, the feet, and the tips of the shanks are black. While 
young it is linear pale greenish yellow, and has a large lively 
green spot in the middle of the body. 
1st var. The abdomen is yellowish brown: the feelers are 
black, pale brown towards the base, and nearly twice the length 
of the body: the nectaries are yellow with black tips ; they are 
also black at the base, where there is a large spot of the same 
colour. 
The viviparous winged female. The body is brown : the borders 
and the underside of the fore-chest are pale green : the abdomen 
is pale green with a row of narrow black bands along its back, 
and a row of black spots on each side: the feelers are black, and 
a little longer than the body: the mouth is pale yellow; its tip 
and the eyes are black: the nectaries are yellow with black tips, 
and as long as one-fourth of the body: the legs are long and 
yellow; the hind-thighs except the base, the feet, and the tips 
of the thighs and of the shanks are black: the wings are colourless; 
the wing-ribs and the rib-veins are pale yellow ; the wing-brands 
and the other veins are brown. 
