Mr. F. Walker's Descriptions of Aphides. 47 



setaceous, brown towards the tips, longer than the body : the 

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

 nectaries are yellow with brown tips, and about one-fourth of the 

 length of the body : the legs ai'e pale yellow, long and slender ; 

 the feet and the tips of the shanks are brown : when young it is 

 grass-green, paler beneath : the head is yellowish : the feelers are 

 about half the length of the body, and the nectaries are one- 

 fifth of its length; their tips are brown. Before the end of 

 April. 



The viviparous winged female. The body is rather large and 

 grass-green : the head and the disc of the chest and that of the 

 breast are reddish brown : there is a row of black spots on each 

 side of the abdomen : the eyes and the feelers are dark brown, and 

 the latter are a little longer than the body : the mouth is pale 

 green with a brown tip : the nectaries are pale green, and as long 

 as one-fourth of the body : the legs are long, and pale yellow ; 

 the feet, and the tips of the thighs and of the shanks are brown : 

 the wings are colourless; the wing-ribs are pale yellow; the brands 

 are very pale brown ; the veins are brown. 



1st var. The feelers and the eyes are black, and the former are 

 dull green at the base : the tip of the mouth is black : the legs 

 are pale green ; the knees, the feet, and the tips of the shanks are 

 black : the wing-ribs are pale green. 



94. Aphis Cratcegi, Kaltenbach. 



Aphis Cratagi, Kalt. Mon. Pflan. 66. 47. 



The viviparous winged female. While a pupa it is gray and 

 nearly elliptical : the eyes and the feelers are black, and the latter 

 are rather less than half the length of the body : the mouth is 

 gray : the breast is dull red : the nectaries and the legs are gray, 

 and the former are hardly one-twelfth of the length of the body. 

 When the wings are unfolded it is black : the feelers are much 

 shorter than the body : the mouth is dull yellow with a black tip : 

 the legs are black ; the thighs at the base, and the shanks except 

 their tips are yellow : the wings are colourless, and much longer 

 than the body ; the wing-ribs are almost white ; the brands are 

 dull pale yellow; the veins are brown. 



95. Aphis Hederce, Kaltenbach. 



Aphis Hederce, Kalt. Mon. Pflan. i. 89. 65. 



A. Ilicis, Kalt. Mon. Pflan. i. 88. 64. 



It feeds on Hedera helix and Ilex aquifolium. 



The viviparous ivingless female. The body is oval, convex, 

 plump, pale green, covered with white powder : the feelers are 

 white, pale brown at the base and at the tips, and much shorter 



