renee - L BASHAMBAR Das: The Aphididae of Lahore. 185 
is narrow and pointed, quite black, and longer than the preceding one in the ratio of 
four to six. 
Measurements :— Average. 
Body aE a ANTON 05 mm. 
Antennae + of ..  0'75—0:90 mm. 
Cornicle a os so = OF TA um. 
Cauda es sé ge ONCE 
Alate viviparous female. —Prevailing colour of body green, with preponderance of 
black as usual; mealy. 
-Head black ; front broad, antennal pits wide apart with their inner edges project- 
ing anteriorly almost to the level of the median ocellus. 
Eyes with large occular tubercles ; black. 
Antennae almost throughout black, just the basal part lighter; much longer 
proportionately than the apterous female. Articles III and VI, and IV and V are 
subequal ; scaly from 3rd joint onward. 
Length proportions :— 
sin Ve Ne We 
22 9 9 Sa 
Dengths ... 27036 0'I5 0'15 0‘08+0'29 mm. 
Secondary sensoria circular, only ten or eleven present on the 3rd joint, almost 
equal in size and situated along one line on the ventral side. 
The prothorax has a broad band concolorous with the head; no visible lateral 
tubercle. 
Mesothorax as usual with shining black dorsal and ventral bosses formed of 
muscles below, divided into four pieces, occupying about the middlehalf of the dorsum 
and three-fourths of the mesosternum respectively. 
The metathorax bears a transverse band, not reaching the edges, and in front 
of it another semilunar black elevation. 
Abdomen ovate, wholly green ; the black eyes of the embryos can be seen through 
the skin; three spots on carina, one short transverse band on the first and another on 
the last abdominal segment. 
No lateral tubercles on the sides or small flat ones in front of the cornicles. 
Cornicles brown, small, narrow at base, almost appearing to arise from pits; 
they gradually become swollen and end in a distinctly vasiform tip and are about 
one half the size of the cauda. 
Cauda long, greenish, broad at base and with rounded tip, much like that of the 
apterous female. 
Anal and genital plates also similar. 
The rudimentary gonapophyses are three in number in both this form and the 
apterous female. 
Legs much darker and longer. 
Coxae black ; in front of the hind coxae there are two black triangular spots, one 
on either side. 
