4 Records of the Indian Museum. [Vou. XII, 1916.] 
Legs long, especially the hind shins, with numerous short fine 
hairs. 
Alate viviparous female. 
Measurements. 
Length of body se 95°05 tm: 
Breadth of body ese ReTOUE Phe 
Length of antennae ap A2U5eaeee 
Siphunculi (diam.) BO) or ey, 
Expanse of wings 4. gk 2 Ole 
Colour.—Head light brownish, thorax black, abdomen grey- 
ish. Eyes black. Antennae and legs black. Siphunculi sur- 
rounded by a broad dark ring ; caudal segment black. 
Forewings beautifully tinged with brown; the following parts 
only are hyaline: the basal part of the radial cell, a small stretch 
from the base of the media I to the first furcation, a larger one 
from the first furcation point of the media I to the top of the 

Fic. 2.—Pterochlorus tropicalis, sp. nov. 
Forewing of alate female, X 60. 
media II, the tips of all veins except the cubitws and the base of 
the forewing itself. The hind wings are uniformly light brownish. 
Morphological characters '.—Body clothed with numerous fine, 
short hairs. 
Antennae about half as long as the body; relative lengths of 
the four last antennal joints about as: 50. 25. 24. 15. The distri- 
bution of sensoriae on the different joints is as follows: III 1216 
IVs5-7 Vi VIi (+6). The secondary sensoriae are circular and 
moderately small. 
Rostrum, siphunculi, etc. as in the apterous female. 
Wings with the normal Pterochlorus-venation, the media II 
distinctly curved. Hooking-hairs 6 in number. 
Foodplant.—Unknown. 
Locality.—Dibrugarh, N..E. Assam (Abor Exped.), 20-x1-IQII. 
Types in the collection of the Indian Museum, Calcutta; la- 
belled no. 4695/20. 

! Notes from specimen in alcohol. 
