The Mosquitoes of Canada 119 



Canada N Records. 

 Ottawa, Ontario, August 16, 1900 (A. Gibson). 

 Winona, Ontario, AVigust 16, 19 16 (E. Hearle). 

 Jordan, Ontario, July 17, 1916 (E. Hearle). 

 Guelph, Ontario, November 29, 19 19 (E. Hearle). 

 Nanaimo, British Columbia, August 6, 1906 (Dyar & Caudell). 

 Duncans, British Columbia, August 9, 1906 (Dyar & Caudell), 

 Wellington, British Columbia, AVigust 7, 1906 (Dyar & Caudell). 

 Mission, British Columbia, July — , 1919 (E. Hearle). 

 Yarrow, British Columbia, March 25, 19 19 (E. Hearle). 

 Ladner, British Columbia, April 5, 19 19 (E. Hearle). 

 Hope, British Columbia, May 21, 19 19 (E. Hearle). 



Anopheles (Anopheles) occidentalis Dyar & Knab. 

 Anopheles occidentalis Dyar & Knab, Proc. Biol. Soc. Wash., xix, 159, 

 1906. 



Mesonotum elongate, hairy, broadly whitish in the integument in 

 the middle, dark brown on the sides. Abdomen with light hairs, brown, 

 the apices of the segments darker, in the integument. Legs long and 

 slender, blackish; tips of femora and tibiae whitish. Wings with the 

 scales black, forming four dark spots by being thickly placed as follows : 

 base of second vein in the cell ; on the cross-veins and forks of second and 

 fourth veins. Tip of the wing with a brassy reflection in the fringe. 



The larvae are surface-feeders in all sorts of water-puddles, preferring 

 permanent water. The habits of the males have not been observed. 

 The difference between this and quadrimaculatus is slight. 



Distribution: Western United States except the moist northern 

 Pacific strip, eastward through Canada to northern Maine. 



Canadian Records. 

 Ottawa, Ontario, September 30, — ■ (J. Fletcher). 

 Guelph, Ontario, November 29, 19 19 (E. Hearle). 

 Little Current River, Ontario, July 18, 1903 (W. J. Wilson). 

 Nagagami River, Seventh Portage, Ontario, June 7, 1903 (W. J. Wilson). 

 Kenora, Ontario, July 2, 1918 (H. G. Dyar). 

 Aweme, Manitoba, April 23, 1905 (N. Criddle). 

 Revelstoke, British Columbia, August 22, 1903 (H. G. Dyar). 

 Mission, British Columbia, July 22, 19 19 (E. Hearle). 

 Chilliwack, British Columbia, July 3, 19 19 (E. Hearle). 

 Nicomen Island, British Columbia, June 23, 19 19 (E. Hearle). 

 Hootalinqua, Yukon Territory, July 6, 19 19 (H. G. Dyar). 

 Valley of Mayo River, Yukon Territory, •— , 1904 (J. Keele). 



