124 
A Monograph of Culicidae. 
AA. Femora not white at apices. 
Abdomen brown, with dull flat creamy- 
white scales ...... ciliata. Fabricius. 
Abdomen brown to black, with dark 
yellowish brown scales . holmbergii. Arribalzaga. 
Abdomen basally white, and with white 
lateral spots ; femora dark... howardii. Coquillett. 
Similar, but femora yellow ............ cilipes. Fabricius. 
Psorophora scintillans. Walker (1848). 
Sabethes scintillans . Walker (1848). 
Brit. Mus. List. Dipt. I., 1 (1848), Walker; Mono. Culicid. I., 265 (1901) ; 
III., 130 (1903); IV., 162 (1907), Theobald; Os Culicideos do Brazil, 
157 (1908), Peryassu. 
Brazil, Trinidad, Okla., U.S.A. 
Psorophora genumaculatus. Cruz (in Peryassu) (1908). 
Os Culicideos do Brazil, 161 (1908), Peryassu. 
Brazil. 
Psorophora ciliata. Fabricius (1794). 
Gulex ciliatus. Fabricius (1794). 
Culex molestns. Wiedemann (1821). 
Gulex rubidus. Bob.-Desvoidy (1827). 
P. boscii. Bob.-Desvoidy (1827). 
Gulex verterrens. Walker (1856). 
Gulex conterrens. Walker (1856). 
Ent. Syst. IV., 401, Fabricius; Mono. Culicid. I., 261 (1901); III., 130 
(1903); IV., 189 (1907), Theobald; Os Culicideos do Brazil, 156 (1908), 
Peryassu. 
North America, British Honduras, Argentine, Brazil. 
Additional locality. —New Jersey, U.S.A. 
Psorophora holmbergii. Arribalzaga (1891). 
Bev. d. Museo. d. 1. Plata, Dipt. Arg. 40 (1891), Arribalzaga; Mono. 
Culicid. I., 264 (1901); Os Culicideos do Brazil, 158 (1900), Peryassu. 
Brazil, Argentina. 
Psorophora howardii. Coquillett (1902). 
Canad. Ent. 258 (1902), Coquillett; Mono. Culicid. III., 131 (1903) ; 
IV., 162 (1907), Theobald, 
o 
North America. 
