TRIBES 
94 
BEITISH APHIDES. 
SYNOPSIS OF THE FAMILY APHIDID^. 
L 
I. 
Aphidin^. 
Upper wings with a doubly 
forked cubitus 
Lower wing with two ob- 
lique veins. 
II. 
SCHIZONEURIN^. 
Upper wing with a singly 
forked cubitus 
Lower wing with two ob- 
lique veins. 
III. 
Pemphigin^. 
Upper wing without a forked 
cubitus 
Lower wing with one or with 
two oblique veins. 
lY. 
Cheemesin^. 
Upper wing without any 
cubital vein. 
m 
82 a 
fl s 
<1.1^ 
02 
-M 
a2.S 
PI o 
pj 
O CO 
s=i ^ 
r 
Siphonophora. 
Phorodon^ 
Myzus. 
Drepanosiphum. 
Amphorophora. , 
Megoura. 
Rhopalosiphum. 
Melanoxanthus. . 
Siphocoryne. 
Aphis. 
Hyalopterus. 
Cryptosiphum. 
Ohaitophorus. 
Lachnus. 
Callipterus. 
Dryobius. 
Stomaphis. 
Asiphon. 
1 
\r>^ 
if 
ff 
ff 
ff 
j 
GENERA. 
