180 INSECUTOR INSCITI.^ MENSTRUUS 



Culex (Culex) summorosus, new species. 



Male. Palpi with white rings at the bases of the last two 

 joints ; proboscis with a faint whitish ring beyond the middle. 

 Head with pale scales, as far as can be made out, as in the 

 preceding species. Mesonotum with narrow curved golden 

 brown scales. Legs with traces of white markings at the 

 tarsal joints. 



Hypopygium. Side piece over three times as long as wide, 

 the subapical prominence bearing three rods, of which the basal 

 is stout at the base, a rounded-ended filament and a large leaf. 

 Clasper thick, attenuated outwardly, the spine small. Tenth 

 sternites with broadly spinose tips and long dark basal arm. 

 Parameres long, curved, dark. Mesosome ligulate, curved, the 

 inner angle quadrate and fimbriate, the outer angle bearing six 

 long teeth in a close group, one of the teeth being longer than 

 the others and horn-like. Aedoeagus of two concave pieces, 

 denticulate on the margin. 



Type, male. No. 23725, U. S. Nat. Mus. ; Los Bafios, P. I., 

 January 15, 1918. Two females are tentatively associated 

 here, September 22, 1915, and October 22, 1917. 



Culex (Neoculex) fidelis, new species. 



Palpi of male slender, scarcely longer than the proboscis, 

 brown. Head with m&ny white scales, forming a patch on the 

 sides. Mesonotum with narrow curved dark bronzy brown 

 scales. Abdomen entirely dark, blackish above, paler below. 

 Legs with the femora white beneath, dark brown, unmarked. 



Hypopygium. Side piece over three times as long as wide, 

 subapical prominence bearing two stout rods, a slender rod, 

 three short filaments and a flattened filament. Clasper stout, 

 short, the terminal spine rather long. Tenth sternites weak, 

 spinose at tip, without distinct basal arm. Mesosome conical, 

 simple, coarsely granular on the inner face outwardly, the pair 

 united by a central bridge. 



Types, four males. No. 23720, U. S. Nat. Mus. ; Los Banos, 

 P. L, July 28, 1915. Two females have been tentatively as- 

 sociated, September 17 and November 8, 1917. 



