236 Memoirs of the Indian Museum. ee [Vor. NN 
Rostrum greenish ; tip blunt; last segment dark, of equal length to the one 
in front. 
Measurements :— 
Body A ee .. 1°85 x°80 mm. 
Antennae BE a a 1:05, 
Cornicle Ae erg ODE; 
Cauda ns +: OT 
2) 
Alate viviparous female.—Body slightly smaller than in the apterous female. 
Colour similar, with dusky preponderance over antennae, legs and thorax. 
The pattern on the abdomen, as shown in the figure, consists of rows of blackish 
spots, two on the lateral grooves and two on either side of the mid-dorsal line; three 
large round spots on carinae in front of the cornicles ; the post-cornicular segments 
show three bands across them, the first one the largest. 
Head dark, somewhat pointed ; antennae directly implanted in the frontal pits, 
situated somewhat laterally, ringed with black, otherwise greenish-yellow, about half 
the body length ; half of 3rd article narrow basally, swollen and black distally. 
Length proportions :— 
, 
TI IV. V. VI. 
18 12 II 8+5 (average). 
IKensthsw 220 ‘20 To) ‘13+ "08 mm. 
From 6 to 8 fairly large secondary sensoriae grouped only on the distal black half 
of the 3rd article ; I or 2 of these are smaller in size than the other 6. 
The primary sensoria on V and VI possess a hair-rim. From the fourth joint 
onward the antennae are scaly. 
Eyes red. 
Prothorax brownish-green, with lateral tubercles and a black transverse band. 
Mesothorax with usual black shining muscle bosses. 
The metathorax has two black dots placed laterally, almost in ine with the 
lateral grooves of the abdomen. 
Lateral tubercles on the 7th abdominal segment pointed and concial; there are 
flat ones on the other segments. 
Cornicles green, similar to the apterous female, tips vasiform. 
Cauda greenish, larger than cornicles ; conical, with a broad base. 
Genital plate crescentic, concave anteriorly ; anal plate large and rectangular. 
Legs with tarsi and distal femora blackish, otherwise brownish-green. 
The rostrum reaches to the second coxae; between the third coxa there is a 
conspicuous black depression. 
The wings have the normal “ Aphidine’’ venation ; veins thin and brownish ; 
stigma throughout greenish in colour. Stigmal vein, as shown in the camera drawing, 
uniformly curved, while the second fork of the cubitus is much nearer the apex of the 
wing than the cubitus itself. | 
