120 Transactions of the Royal Canadian Institute 



Anopheles (Anopheles) quadrimaculatus Say. 



Anopheles quadrimaculatus Say , Keat. Narr. Exp. St. Peter's Riv., ii, 356, 



1824. 

 Anopheles guttulatus Harris, Hitch Rep. Gsol. Min. Bot. Zool. Mass., 595, 



1835. 

 Anopheles annuUmanus van der Wulp, Tidj. voor Ent., x, 129, 1867. 



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 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. 



The larvae are surface-feeders in water- puddles, especially permanent 

 water connected with rivers. The habits of the males have not been 

 observed. 



Distribution: Mexico to New England and Canada, east of the 

 Rocky Mountains. 



CANi^DiAN Records. 



St. Catherines, Ontario, August 24, 19 16 (E. Hearle). 

 Jordan, Ontario, August 4, 19 16 (E. Hearle). 



Anopheles (Anopheles) walkeri Theobald. 



Anopheles walkeri Theobald, Mon. Culic, i, 199, 1901. 



Palpi with small white ring^ at the bases of the joints. Mesonotum 

 dark brown, uniformly coloured. Abdomen blackish, with brown hairs. 

 Legs long and slender, black, the femora pale below; small white spots 

 at tips of femora and tibiae. Wing-scales black, not forming distinct 

 spots, though sometimes slight ones at the bases and forks of second and 

 fourth veins. 



The larvae inhabit water formed by overflows from rivers, which 

 occasionally goes dry. The habits of the males are unknown. It has 

 not been demonstrated whether this species carries malaria. 



Distribution: Eastern North America. 



Can.adian Records. 



Lake Simcoe, Ontario, September — -, (E. M. Walker). 



Ottawa, Ontario, August 23, 1900 (A. Gibson). 



