222 = Memoirs of the Indian Museum. VOA 
Alate viviparous female.—Body more compact, oval in form. 
Colour leaf-green ; head, a band on prothorax and mesothorax, cornicles and 
caudal apex black; coxae, distal parts of femora and tibiae, anal and genital plates 
dark brown; the rest of the legs greenish-yellow ; eyes dark red. 
Head a little broader than long. 
Antennal articles imbricate, separated by hyaline constrictions. 
Proportions : — 
III. IV. Ve VI. 
18 12 10 6+19 
Lengths: "080 0°20 OT O‘I0+0'31 mm. 
The spur is slightly longer than article III and may be even only as long as 
‘26 mm. | 
The prothorax has two latero-dorsal pits and tubercles on the sides. 
Mesothorax with strong muscle-bosses and greenish insertions. 
Wings ample, with deeply marked veins; stigmal flattening yellowish, its poste- 
rior border and the rest up to the base greenish; venation normal. 
Abdomen pyriform, with lateral tubercles; the pattern consists only of three 
spots on carinae in front of the cornicles and one more just behind and internal to 
them ; the rest is uniformly green. 
The cornicles and cauda are smaller than.those of the apterous female; cornicles 
imbricate and longer than the cauda in the ratio of 10 to 8; base of cauda greenish, 
bordered with black. | 
The rostrum reaches to the second coxae. 
Measurements :— 
Length a ss _.. 150—1 70 mm. 
Breadth Ls ee .. 0‘70—0'85 ,, 
Antennae 22 34. .. . I’00—I’20 ,, 
Wing expanse .. Fee .. 4°60—6'00 :,, 
Cornicle ze ER ..  0'I6—0'2I ,, 
Cauda me 4 .. O'II—O'I5 ,, 
The insect has been collected only during the months of March and April 
and even then it is not very abundant. Its appearance is somewhat capricious and 
its disappearance is equally sudden. 
Nothing is known as to its history during the rest of the year. 
Brachycaudus pruni (Koch) (van der Goot). 
(=Aphis pruni, Koch.). 
““ Peach-curl Aphis.”’ 
Hosts (in the plains) : — 
(I) Peach (Prunus persicae). 
(2) Ageratum conyroides. 
