92 
A Monograjjh of Culicidae. 
r 
and along streams. I have found them extremely annoying both 
at Stalheim and Molde in Norway. 
The genus Phlebotomus belongs to the family Psychodidcie, 
the “ owl midges,” in which the wings are densely covered with 
hairs. This genus is not found in Britain. No British Psycho- 
A 
Fig. 23. 
Wings of Diptera mistaken for Mosquitoes. 
A, Rliyphus. B. Trichocera. C. Chironbmus. D. Lasioptera ( Cecidomyidae ). 
didae are blood-suckers, but some of the foreign Phlebotomus are 
very sanguinary in habits. 
This latter genus has been experimented with in connection 
with malaria. Grassi, however, obtained only negative results.* 
* ‘‘Studii di uno Zool. sulla Malaria,” p. 192. Rome, 1900. 
