196 Mr. F. Walker’s Descriptions of Aphides. 
of the body ; their tips are brown: the eyes are dark brown : the 
tip of the mouth is brown: the nectaries are as long as one- 
eighth of the body: the legs are pale green; the feet and the tips 
of the shanks are brown. Abundant on Anethum Feeniculum in 
the beginning of May. 
2nd var. Small, grass-green, short elliptical, rather flat: the 
limbs are green ; the tips of the feelers, the eyes, the tip of the 
mouth, and the feet are brown: the feelers are not half the 
length of the body: the nectaries are about one-sixth of the 
length of the body. On Peucedanum officinale at the end of 
May. 
Sed var. The feelers are pale green, and little more than one- 
third of the length of the body ; their tips are black: the eyes 
are dark red. On Heracleum Sphondylium at the end of June. 
4th var. The body is pale greenish yellow, and the head in- 
clines to a buff colour: the eyes are dark red: the feelers are pale 
yellow, darker towards their tips, and a little more than half the 
length of the body: the mouth is pale yellow with a black tip: 
the nectaries are pale yellow with black tips, and rather more 
than one-fourth of the length of the body : the legs are pale yel- 
low or greenish yellow ; the tips of the feet are black. 
5th var. Green, shining: the feelers are pale yellow, and less 
than half the length of the body; their tips are darker: the 
mouth is pale yellow; its tip and the eyes are black : the nec- 
taries are pale yellow, and as long as one-sixth of the body ; their 
tips are black : the legs are pale yellow ; the thighs are pale green ; 
the tips of the shanks and of the feet are dark. 
6th var. The body is pale red varied with yellow: the feelers 
are pale yellow, and about half the length of the body ; the tips 
of the latter joints are darker: the mouth is pale yellow ; its tip 
and the eyes are black: the nectaries are pale yellow with black 
tips, and nearly one-fifth of the length of the body: the legs are 
pale green ; the knees and the tips of the shanks are brown ; the 
tips of the feet are black. 
7th var. The body is dark green, or pale green with the head 
and the limbs inclining to a white colour: the feelers are pale 
green with brown tips, and rather more than one-third of the 
length of the body: the nectaries are pale yellow with brown 
tips, and are as long as one-sixth of the body : the mouth is very 
pale green with a brown tip: the eyes are very dark brown: the 
legs are very pale green ; the feet are pale brown. 
8th var. The body is dull green: the feelers are black, dull 
yellow at the base, and much shorter than the body; the joints 
are rather thick with the exception of the last, which is slender : 
the mouth is pale yellow; its tip and the eyes are black: the 
nectaries are dark green, and as long as one-eighth of the body : 
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