Genus Nyssorhynchus. 103 
Q. Head with white upright forked scales in front and 
dark ones behind; a small tuft of white hairs projecting forwards 
from the head ; palpi thickly clothed with scales and marked 
with four white bands; tips of palpi white ; the two terminal 
bands are broad and equal, the other two are narrow ; antennae 
black, with silvery hairs. 
Thorax black, covered with numerous snowy-white spindle- 
shaped scales on its dorsal aspect ; three longitudinal dark lines 
devoid of scales can be made out on the dorsum as well as a 
lateral eye-like bare spot on each side, and a median bare spot 
posteriorly ; pleurae black, with two indistinct longitudinal white 
lines on each side ; scutellum with some scales like those on the 
thorax, and with bristles. 
Abdomen black, thickly clothed with golden hairs ; on the 
last two segments the hairs are very dense and a number of 
scales are also present on these segments, those which project 
from the sides of the segments being dark coloured and the 
others golden-brown ; the remainder of the abdomen is devoid of 
scales. — 
Wings with veins clothed with black and white scales 
forming dark and light areas as follows :— (fig. 61) the costa 
shows four large dark scaled areas and two small ones ; the first 
longitudinal vein shows dark scaled areas exactly corresponding 
to those on the costa, except that the middle area is divided into 
three by two small white spots ; the second longitudinal vein has 

Fig. 61, 
Wing of Nyssorhynchus Karwari. (9.) Drawn by Capt. James, I.M.S. 
one dark spot on its main stem and two on each of its branches ; 
the third longitudinal vein is white scaled except for a small 
dark area at its beginning and another at its termination ; the 
fourth longitudinal vein has three small spots on its main stem 
and two on each of its branches ; the fifth longitudinal vein has 
one small dark area on its main stem, three on its anterior 
