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



2nd var. The second and the fourth branch-veins are forked 

 near their tips. 



3rd var. An additional vein connects the lower branch of the 

 first fork with the second fork of the third vein. 



4th var. There is a spurious or supernumerary vein which 

 proceeds from the third vein a little before its first fork, and 

 passes towards the hind-border of the wing, which however it 

 does not attain. 



5th var. The fourth vein is forked near its tip. 



6th var. With an areolet like that of the second var., but 

 larger and triangular. 



81. Aphis Lychnidis, Linn. 



Aphis Lychnidis, Linn. Syst. Nat. ii. 734. 7 ; Faun. Suec. 980 

 Fab*. Syst. Ent. 737. 1; Sp. Ins. i. 2. 384. 4; Ent. Syst. iv 

 210. 2; Syst. Rhyn. 294. 2; Gmel. ed. Syst. Nat. i. 2203 

 Schrank, Faun. Boic. ii. 114. 1214; Berk. Syn. i. 119; Stew 

 El. ii. 110; Turt. ii. 703; Kaltenbach, Mon. Pflan. i. 92. 67 

 Reaum. Ins. iii. 281. 340. 



A. Cucubali, Linn. Faun. Suec. 719. 



Lychnidaphis, Amyot, Ann. Soc. Ent. Fr. 2 de serie, v. 478. 



This species feeds from April to November on Lychnis viscaria, 

 L. diurna, and Cucubalus Behen. 



The viviparous wingless female. This is hatched in April, and 

 is remarkable for its shining and glutinous appearance : the body 

 is rather small, black, oval, very convex and plump, dark green 

 beneath : the feelers are black, slender, more than half the length 

 of the body, pale yellow towards the base which is black : the 

 eyes are dark brown : the mouth is pale green : the nectaries are 

 about one-twelfth of the length of the body : the legs are pale 

 yellow; the knees, the feet, and the tips of the shanks are 

 brown. When young it is dark green, or pale greenish red, or 

 pale brown : the head is pale green : the limbs are almost or 

 quite white. 



The viviparous winged female. The pupa unfolds its wings 

 in the middle of May : it is then black and shining : the fore- 

 border and the hind-border of the fore- chest are dull tawny, 

 which is also the colour of the abdomen beneath, and at the base 

 above : the feelers are as long as the body ; the fourth joint is 

 much shorter than the third ; the fifth is shorter than the fourth ; 

 the sixth is much shorter than the fifth ; the seventh is nearly as 

 long as the third : the mouth is black with a pale yellow base : 

 the nectaries are about one-eighth of the length of the body : the 

 legs are dull yellow ; the feet and the tips of the thighs and of 

 the shanks and the greater part of the hind-thighs are black : 

 the wings are colourless, and much longer than the body ; the 



