XIV, 2 
Banks: Phlebotormis nicnic 
165 
rior cross veins very evident, the former being at origin of third 
longitudinal and the latter at that of fifth. Seventh longitudinal 
not present or, if so, confused with fold in base of anal margin, 
Halteres very stout, with large, dark knob and paler stem. 
Genitalia . — Hypopygium of male twice length of last abdo- 
minal segment, ventral styles fleshy, straight, or slightly curved, 
setose along sides and at rounded apex, Harpes asymmetrically 
spatulate and with four stout, curved spines along apex. Penis 
slender, constricted before apex which is obconicai. Ovipositor 
of female with ventral lobes broadly ovoid and setose, dorsal 
lobes minute, setose. 
Length . — Owing to the humpbacked attitude of this insect 
the measurements are taken from cephalic end of mesonotum 
to caudal end of abdomen and from tip of proboscis to dorsum 
of mesonotum, 
Male: Thorax-abdomen, 1,083 millimeters; proboscis-thorax, 
0,59; total, 1,673, 
Female: Thorax-abdomen, 1,317 millimeters; proboscis- 
thorax, 0,85; total, 2,167, 
Male: Length of wing, 1,44 millimeters; female, length of 
wing, 1,74, 
Luzon, Laguna, Los Banos (Charles S. Banks). 
Type . — Male and female, No, 18492 in entomological collec- 
tion, College of Agriculture, Los Banos, P. I, Several addi- 
tional specimens collected at the same time and place are labeled 
as paratypes. 
The habits of this insect, which is a very vicious biter, are 
described in another paper dealing with the bloodsucking in- 
sects of the Philippines, 
It is believed that the nicnic breeds in the kitchen drains of 
this vicinity, and as soon as time will permit an endeavor will 
be made to rear it. 
