390 A Monograph of Culicidae. 



Dr. M. A. De Lavey, from Dagupan, Pangasinan, Luzon, but the iusects 

 had many of them been wet, and were not in good condition." 



(This species is very close to my Culex microannuloMis and Culex 

 vishnuL—Y. V. T-) 



Culex biroi. Theobald (1905). 

 Ann. Mus. Nat. Hung. III., p. 82 (1905). 



Proboscis with a median yellow band. Head with rather 

 long pale scales. Thorax brown, unadorned, with narrow-curved 

 golden scales. Abdomen brown, with basal pale bands and 

 white lateral spots. Legs with narrow basal pale bands to the 

 tarsal segments of the fore legs, all, except the last, on the 

 mid legs. 



Wings with the fork-cells long, the stems very short. 



9 . Head brown, with rather long narrow-curved pale creamy 

 scales, dark brown upright forked scales, and small flat creamy 

 scales at the sides ; clypeus dark brown ; palpi black scaled ; 

 proboscis deep brown with a yellow band towards the apical 

 half ; antennae deep brown. 



Thorax brown, with narrow-curved golden scales, which 

 become paler before the scutellum, with brownish bristles over 

 the roots of the wings ; scutellum very large^ brown, with 

 narrow-curved pale golden scales and brown border-bristles ; 

 metanotum pale brown ; pleurae tawny. When denuded the 

 mesothorax shows two dark median lines and a curved one on 

 each side. 



Abdomen deep brown, with basal white bands, basal white 

 lateral patches and creamy venter. 



Legs brown, pale at the base and on under side of the 





Fig. 164. 

 Wing of Culex biroi. <?. Theobald. 



femora ; the fore legs with narrow yellow bands to all the tarsal 

 segments, that on the last tarsal indistinct or absent ; mid legs 



