SAND-FLIES FROM PERADENTYA. 
59 
+ 
known from many localities in India and two new to science. The 
four species may be distinguished as follows :— 
(1) The tip of the first longitudinal vein of the wing 
but little in advance of the anterior fork of 
the second longitudinal vein. 
(a) Colour silvery brown; the area of the 
wing paler than the anterior border ; the 
cox yellowish; the anterior branch of 
the second vein about twice as long as 
the distance between the two forks of 
the vein .. P. marginatus. 
(2) The tip of the first longitudinal vein far in 
advance of the anterior fork of the second. 
(a) Dorsal surface of the thorax dark brown, 
the sides yellow. The anterior branch 
of the second vein slightly longer than 
the distance between the two forks .. P. argentipes. 
(b) Thorax brown; coxe yellowish; the 
whole of the wings paler than the 
abdomen. The anterior branch of the 
second vein about five times as long as 
the distance between the two forks 
(c) Colour uniform, dull yellowish gray. 
Wings very narrow; the anterior 
branch of the second vein shorter than 
the distance between the two forks .. 
U e 
Pe 

9 a 
EE ps eee ey 
SIE Re SE OL SE ) LSS RE, 
Figg 3 sh 

. P. zeylanicue, 
P. babu. 
° Diagram of the external male genitalia of Phlebotomus: u., upper or 
superior appendage; ch., chet; f., genital filament; i., intermediate append- 
age; P., intromittent organ; s.l., subgenital lamella: L., lower or inferior 
appendage, 
Phlebotomus argentipes, Annandale and Brunetti. 
Rec. Ind. Mus., IV., p. 44, Pl. IV., fig. 3; Pl. VI., fig. 6. 
Several specimens of this common Indian species were taken at 
Peradeniya in March, June, and July. 
