524 A Monograph of Culicidae. 



Pneumaculex signifer. Coquillett (1896). 



Culex signifer. Coquillett. 



Stegomyia signifer. Coquillet. 



Canad. Ento. XXVIII., p. 43 (1896); Mono. Culicid. I., p. 322 (1901), 

 Theobald; Bull. 4, N. Se. U.S. Dep. Agri. Div. Ent., p. 23 (1896), 

 Howard; Bull. 25, N. Se., p. 31, U.S. Dep. Agri. Div. Ent. (1900), 

 Howard; Les Moust., p. 258 (1905), Blanchard ; Class. Mosq., N. and 

 M. Ameri. Tech. Se. II., p. 26, U.S. Dept. Agri. (1906), Coquillett. 



Head deep blackish-brown, with snow white scales and black 

 upright ones. Proboscis unhanded. Thorax deep rich brown, 

 with two median white lines, two behind converging posteriorly 

 and one curved one on each side, the four latter spreading on to 

 the scutellum. 



Abdomen brown, with basal white bands, white scaled at the 

 base. Wings with mottled brown and white scales. Legs deep 

 brown, with some speckled white scales on femora and tibiae, 

 and with apical and basal white banding, last hind tarsal all 

 white. 



$ . Head black, with scattered broad, short curved snow- 

 white scales, densest around the eyes and becoming broader and 

 flatter at the sides, numerous long black upright forked scales, 

 broadened apically and with fimbriated edges ; chaetae black. 

 Proboscis broad black and densely scaly, with a few scattered 

 white scales. Palpi as long as the proboscis, thin, black, with 

 small white apical segment and a narrow white band at the base 

 of the longer penultimate segment ; no hair-tufts, a few short 

 bristles at the apex of the penultimate and small terminal 

 segments. 



Thorax blackish-brown, with very scanty paler obscure brown 

 narrow-curved scales and narrow snow-white lines of rather larger 

 scales, a single row only, as follows : — two median anterior nearly 

 parallel ones, two sub-median ones commencing just before the 

 median ones end and converging towards the scutellum and 

 extending on to it, and a curved one at the edge of the mesonotum ; 

 scutellum deep brown, the sub-median and lateral single scaled 

 white lines extending on to it, mid lobe with two posterior border- 

 bristles only ; metanotum paler brown, with three thin darker 

 lines ; pleurae brown, with some flat white scales. 



Abdomen deep brown, with basal pale creamy-white bands, 

 the two basal segments mostly creamy scaled ; the basal creamy 



