24 Mr. F. Walker’s Descriptions of Aphides. 
white bloom beneath: the feelers are black, and a little shorter 
than the body ; the fourth joint isa little shorter than the third ; 
the fifth is as long as the fourth; the sixth is much shorter than the 
fifth, but more than half its length ; the seventh is longer than 
the fifth : the mouth is dark green ; its tip and the eyes are black : 
the nectaries and the legs are black; the former are nearly one- 
fifth of the length of the body ; the shanks except their tips and 
the four hinder thighs from the base to the middle are yellow: 
the wings are much longer than the body ; the wing-ribs are pale 
yellow ; the brands are dull yellow; the veins are brown. On 
Genista anglica during the summer. 
8th var. Like the preceding, but the fore-thighs and the fore- 
shanks are dull yellow with black tips; the four hinder shanks 
are pale yellow with black tips: the wing-brands are brown. 
9th var. While a pupa it 1s gray: the abdomen is black, with 
three interrupted white bands, and has also four white spots near 
the tip : the rudimentary wings are dull green. 
10th var. The body is small, and black : the feelers are longer 
than the body : the eyes are red: the nectaries are as long as one- 
sixth of the body: the legs are yellow; the thighs from the mid- 
dle to the tips, the feet, and the tips of the shanks, are black : 
the wing-ribs and the rib-veins are pale yellow ; the wing-brands 
and the other veins are pale brown. 
11th var. The body is black, stout, and shining: the feelers 
are much shorter than the body: the mouth is pale yellow ; its 
tip and the eyes are black: the nectaries are black, and about 
one-sixth of the length of the body : the legs are pale yellow; the 
hind-thighs except the base, the feet, and the tips of the other 
thighs and of the shanks, are brown: the wing-ribs and the 
brands are dull yellow ; the veins are brown. On Rumez crispus. 
While a pupa the legs are black ; the fore-thighs are yellow at 
the base: the rudimentary wings are dark green. 
12th var. The four hinder thighs are quite black. 
13th var. The body is deep black: the feelers are black, and 
shorter than the body: the eyes and the mouth are black ; the 
base of the latter is dull white: the nectaries are black, and as 
long as one-eighth of the body : the four hinder thighs, the feet, 
the knees, and the tips of the shanks are black: the wing-ribs 
are pale yellow; the brands are pale green; the veins are pale 
brown. 
14th var. With a row of white spots on each side of the back. 
15th var. Like the last, but the feelers are much shorter than 
the body: the mouth is dark green at the base: the nectaries 
are as long as one-tenth of the body: the legs are black; the 
fore-thighs at the base, and the shanks excepting their tips are 
dull yellow : the wing-ribs and the brands are brown. 
