PSYCHQDIDiE. 
559 
Fig. 357— Pupa of Psyohoda 
BKN GALENSIS, BRU. PUSA. 
produces a small red swelling which may persist for some days. They 
are very partial to babies. I have hitherto found a mixture of some 
kerosene with Hazeline or Lanoline cream, 
the only really good preventive, but moder¬ 
ately thin socks will protect the ankles. 
The flies are found in much the same locali¬ 
ties as other Psychodids, especially in bath¬ 
rooms (generally in shady corners near the 
floor), in latrines, under piles of damp 
bricks or stones, and in similar damp shady 
places during the day. They are fond of 
hiding behind shutters on the verandah, 
and at night they emerge from their seclu¬ 
sion to bite. They differ from other Psycho¬ 
dids in their attitude, the wings being car¬ 
ried divergent, pointing backwards and 
upwards (fig. 358). The sexes are distin¬ 
guished by the large and complex genital 
clasping-apparatus of the male (fig. 359), the termination of the female 
abdomen being with¬ 
out any such conspi¬ 
cuous structures and 
comparatively simple. 
Copulation generally 
seems to take place at 
night. The eggs are 
laid singly or in small 
clusters, and number 
from about 30—80 in 
different species ob¬ 
served. The larvae are 
found in damp earth, 
and are very curious ; 
they have a large 
well-marked head with 
big jaws ; the body 
is covered with toothed spines, perhaps as a protection from enemies 
(similar spines also occur in some other Psychodid larvae), and the 
Fig. 358 
-Stacks of Phlebotomus. 
All x about 25. 
