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



Length of the body l|-2 lines; of the wings 4j lines. 



The oviparous wingless female. The body is bronze-colour with 

 a yellowish border : the limbs are yellow : the feelers are about 

 half the length of the body ; the tips of the joints are black : the 

 nectaries are also black : the knees are brown ; the feet and the 

 tips of the shanks are black. The end of October is its season 

 for laying eggs ; they are placed in a series along a leaf, and ad- 

 here together by their tips ; their colour at first is yellow, and of 

 a deeper tint at one end than at the other. 



39. Aphis Laricis, n. s. 



The viviparous wingless female. The body is oval, convex, "hairy, 

 velvet-like, very narrow towards the head, of a chocolate colour, 

 and thickly covered with white spots of various sizes ; the under- 

 side is of a rust-colour, and thickly covered with white powder : 

 the feelers are yellow, slender, filiform, black towards the tips, 

 and hardly more than one-third of the length of the body ; the 

 fourth joint is less than half the length of the third ; the fifth is 

 a little longer than the fourth ; the sixth is about half the length 

 of the fifth ; the seventh is extremely short : the eyes are black 

 and rather prominent : the mouth is black and reaches a little 

 beyond the hind-hips ; it is dirty white and half transparent to- 

 wards the base : the nectaries are black : the front is convex : the 

 sides of the fore-chest are slightly notched : the legs are yellow, 

 long, stout, and hairy ; the hips, the knees, the feet, the tips of 

 the shanks, and the hind-thighs from the middle to the tips are 

 black ; the shanks and the second joints of the feet are slightly 

 curved. 



1 st var. The body is broader and of a greenish brown colour : 

 the head is reddish. 



2nd var. The body is brown : the head is red : the tips only of 

 the hind-thighs are black ; the hind-shanks are black from their 

 middle to their tips. When very young the body is pale brown, 

 and the mouth projects beyond the abdomen like a tail. 



3rd var. The body is brown, mottled with black and white. 



The viviparous winged female. While a pupa it much resembles 

 the wingless female in colour, being dark brown with a pale yel- 

 lowish stripe along the middle of the abdomen ; when the wings 

 are unfolded it is dark brown, slightly powdered with white : the 

 feelers are black, and rather less or rather more than half the 

 length of the body ; the base of the third joint is yellow ; the 

 fifth joint is as long as the fourth ; the sixth is much more than 

 half the length of the fifth : the mouth is yellow with a black tip : 

 the base of the thighs, and the shanks except their tips are yel- 

 low ; the shanks are especially hairy : the wings are colourless, 

 and very much longer than the body ; the wing-ribs are dull yel- 



