5'- ) U? 



210. 

 ANOPHELES BIFURCATUS. 



Order Diptera. Fam. Culiciclae Lat. — Tipulidse Lat.^ Meig. 



Type of the Genus Culex bifurcatus Linn. 



Anopheles Meig., Lat. — Culex Linn., Fab., Meig., &;c. 



AntenncE inserted between the eyes in front of the head, seta- 

 ceous, attached to large globose scapes, longer than the thorax 

 and composed of 14 joints in the Male, the hrst J 2 joints dilated 

 at their apex and producing fascicles of very long hairs, short only 

 on one side of the basal joint, 13th joint long slender and pilose, 

 the 14th scarcely so long, attenuated and pilose, with afewlong 

 bristles at the base (3) : shorter than the thorax and 13-jointed 

 in the Female, pubescent with a few long bristles arising from 

 the base of each joint excepting the first which is the longest, 

 2d the shortest, remainder of nearly equal length (3a). 

 Trophi longer than the antennae, of equal length (B). 

 Labrum slightly attenuated and transparent, broad, hollow, ap- 

 pearing articulated at the apex (b). 



Tongue transparent, slender with a rib down the middle (c) . 

 Mandibles very slender and transparent with a rib at the back (d). 

 MaxillcE very slender and transparent, dilated at the base (e), 

 from whence arise the Palpi which are equally long in both sexes, 

 but more robust in the male (f) than female (f*), covered with 

 scales at the base, pilose at the apex, 5-jointed, basal joint mi- 

 nute, 2d long and slender, 3d twice as long, 4th and 5th forming 

 an elongated oval club in the male, but slender in the female. 

 Labium very long and hollow, receiving the other Trophi except- 

 ing the Palpi, externally clothed with scales, and terminated by 

 2 united lobes (g). 

 Clypeus produced, concealing the base of the Palpi. Eyes large lunular. 

 Ocelli none. Thorax oblong. Scutellum distinct. Abdomen linear 

 as long as the Wings, which are incumbent and ciliated, the nervures 

 producing lanceolate scales (9). Halteres small. Legs very long, 

 anterior the shortest. Tarsi 5-jointed, basal joint very long. 



BiFUBCATus Linn. Faun. Suec. 4G5. 1891. — Meig. 1. 11. 1. — trifurca- 

 tus Fab. — claviger Fab., Meig., Klass, 



Tomentose, dull ochraceous. Antennae with the apex of the 

 joints, the hairs and palpi fuscous. Eyes black. Head and 

 thorax cinereous, sides of the latter brown. Abdomen variegated 

 with piceous, the incisures and apex of the same colour. Wings 

 tinged with ochre, nervures brown. Legs variegated with pale 

 brown, darkest towards the apex. 



In the Author's and other Cabinets. 



