LIST OF HOMOPTEROUS INSECTS. 999 



110. Aphis Ligustri. 



Aphis Ligustri, Sir Oswald Mosley, Gard. Chron. i. 628. Kalt. 

 Mori. PJlan. i. 48, 34. 



Var. Lower branch of the first fork of the third vein wanting. 



Var. Distance between the first and second veins at the base 

 less than half that between them at the tips ; second wanting in 

 one wing, third a little nearer to the second at the tip than at the 

 base, as near to the second at the base as the second is to the first ; 

 first fork partly wanting in both wings ; fourth vein curved near the 

 base, straight towards the tip, as near to the tip of the rib-vein as to 

 the second fork. 



a — g. England. (In Canada Balsam). From Mr. Walker's^collec- 

 tion. 



111. Aphis Ononidis. 



Aphis Ononidis, Kalt. Ent. Zeit. Stett. vii. 173. 



This species is distinguished by its spotted wings, and by its 

 large fore-chest, which is rather broader than the middle-chest. 



The viviparous winged female. Small, pale yellow, active, 

 rather short and broad : length of the fore-chest rather more than 

 half its breadth : some pale olive-green irregular stripes along the 

 head and chest, three or four rows of dark gray spots on the abdo- 

 men ; spots on the middle rows larger and more irregular than 

 those on the side rows: feelers pale yellow, black towards their 

 tips, a little longer than the body : mouth pale yellow, with a black 

 tip, hardly reaching the middle hips : legs dull yellow ; tips of the 

 feet darker : wings a little longer than the body, with a brown spot 

 on the tip of each vein ; brand brown, including a colourless spot ; 

 distance between the first and second veins at the tips nearly twice 

 that between them at the base ; third very much nearer to the se- 

 cond at the base than at the tip, much nearer to the second at the 

 base than the second is to the first ; first fork nearer to the second 

 fork than to the third vein, hardly nearer to the third vein than the 

 third is to the second ; seeond fork nearer to the first fork than to 

 the fourth vein ; fourth vein much curved, nearer to the tip of the 

 rib-vein than to the second fork : rib-vein of the lower wing clouded 

 with brown, with only one branch-vein, which has a brown spot on 

 its tip. 



a. England. Presented by F. Walker, Esq. 



