18 ENTOMOLOGICAL SOCIETY 



Mochlostyrax urichii Coq. (PL V, fig. 22). 



Head rounded, normal, widest behind, neck with a black ring; anten- 

 nal insertion angled, mouth brush well developed; antennae moderate, 

 reaching the end of the mouth brush, uniform, a small tuft at middle. 

 Abdominal hairs moderate, rather stout, diminishing posteriorly. Comb 

 of 12 bar-like spines in a single row. Air tube four times as long as 

 wide, tapered most at before tip, pecten of ten long spines evenly 

 spaced ; fifteen large hair brushes along the posterior line, four of them 

 within the pecten; no other hairs. Anal segment longer than wide, 

 ringed by the plate; tuft large; a single side hair; brush large and 

 posterior. Anal gills four, rather long, tapered. 



Culex bisulcatus Coq. (PL IV, fig. 13). 



Head large, broad, square, rounded; antennae long, slender, the tuft 

 at the middle, terminal spines long; labial plate small, the sides nearly 

 perpendicular, central tooth long. Thorax and abdomen with the usual 

 long hairs, not diminishing much posteriorly, all the short ones black 

 thick stellate bunches. Comb a patch of long spines, scarcely over 

 two rows deep, the anterior row straight and overlapping the posterior, 

 more confused row. Air tube eight to ten times as long as wide with 

 long scattered hairs singly or in pairs ; pecten to one-third the length, of 

 long sharp spines, rather remote. Anal segment rather long, ringed, 

 with sharp terminal lateral spines. Brush and tuft normal. Anal gills 

 four, moderate. 



Culex conservator D. & K. (PL IV, fig. 14). 



Head rounded, no broader than long; antennae slender, cylindrical, 

 minutely spined, the terminal sixth narrow with a large tuft at the set- 

 off; terminal spines long. Body hairs normal, rather long, diminishing 

 posteriorly. Air tube long, slender, six times as long as wide, a little 

 enlarged at base; a few scattered single hairs on the posterior side; 

 pecten a short row at base. Comb a large patch of spines over three 

 rows deep, the single spines narrow with fan-shaped tips. Anal seg 

 ment widened outwardly, ringed by the plate, the brush posterior; a 

 single small lateral hair. Anal gills four, nearly equal, the lower pair 

 being a little smaller. 



Aedes cyaneus Fab. (PL III, fig. 12). 



Head rounded, roundedly angled at the sides, smooth; clypeal hairs 

 single ; antennae straight, moderate, brown, a single hair slightly beyond 

 the middle. Body moderate, the hair long, normal, diminishing poste 

 riorly, the shorter hairs in stellate bunches. Comb a patch of feathered- 

 tipped scales over three rows deep. Air tube short, twice as long as 

 wide, conic, the pecten teeth distant, running to the middle, followed 

 by a single hair tuft; dark brown. Anal segment with dorsal plate, 

 spinose at the end ; brush and tuft present, the brush with scattering 



