992 LIST OF HOMOPTEEOUS INSECTS. 



95. Aphis Xylostei. 



Aphis Xylostei, Schrank, Faun. Bote. ii. 1, 107. Bonnet, Hist. Nat. 



i. l\ Rkaum. Ins. iii. 286. Deg.Ins. iii. 96, 16, pi. 7, f. 8— 



13. Gmel. Ed. Syst. Nat. i. 2210, 74. Walk. Ann. Nat. 



Hist. Ser. 2, vi. 43, 87. 

 Aphis Lonicerae, Fonscol. Ann. Soc. Ent. Fr. x. 167, 6. Siebold, 



Frorieps Notizen, xii. 85. Kalt. Mon. Pflan. i. 48, 35. Sir 



Oswald Mosley, Gard. Chron. i. 628. 

 Xylosthaphis, Amyot, Ann. Soc. Ent. Fr. 2me Se"rie, v. 479. 



The viviparous wingless female. Head in front slightly con- 

 vex, not notched : feelers a little more than half the length of the 

 body ; first and second joints not angular; fourth much shorter than 

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

 the fifth; seventh much more than twice the length of the sixth: 

 tip of the abdomen a little longer than the nectaries, which are as 

 long as one-eighth or one-tenth of the body. 



The viviparous winged female. Feelers a little shorter than 

 the body : distance between the first and second wing-veins at the 

 tips much more than twice that between them at the base ; third a 

 little farther from the second at the tip than at the base, farther 

 from the second at the base than the second is from the first ; first 

 fork as near to the second fork at the tip as to the third vein, as 

 near to the third vein as the third is to the second ; second fork a 

 little nearer to the fourth vein than to the first fork ; fourth vein 

 very slightly curved, a little nearer to the second fork than to the 

 tip of the rib-vein. 



Var. First fork nearer to the third vein than the third vein 

 is to the second. 



a— r. Englaud. (In Canada Balsam). From Mr. Walker's collec- 

 tion. 



96. Aphis Cerasina. 

 Aphis Cerasina, Walk. Ann. Nat. Hist. Ser. 2, vi. 43, 88. 

 England. 



