328 GNATS OK MOSQUITOES — CHAPTER XII 



almost black in the $ , us also ar« the palj)!. Tliorax darker in the J ; 

 pleurae, $ , red brown, $ , fuscous ; scutelluni, $ , ochreous, $ , testa- 

 ceous fringed with long golden hairs ; nietanotuin, 3 , testaceous, ? , 

 very deep fuscous. Halteres with the club brown and stem yellow ; $ , 

 forceps testaceous, densely haired. Legs violet-brown scaled, the femora 

 pale yellow for four-fifths of their length in the hind legs, but beneath 

 only, in the other legs ; cox* warm brown ; in the hind legs the first 

 tarsal joint is one-seventh longer than the tibia." Wings much longer 

 than the abdomen in the $ , shorter in the <? . Length of antennse <? 

 2-02 mm.; J 1-77 mm. ; expanse of wings <? 4-06 x OSS mm. ; $ 406 x 

 0-88 mm. ; size of body, ,? 4-56 x 0-76 mm. ; ? 4-06 x 0-76 mm. 

 Habitat. — Blue Moimtains, N.S.W. 



45. ANOPHELES BIFURCATUS (L.). 



Plate xi, iig. la, "Wing of ? from specimen (drawn in Prof, Grassi's 

 laboratory) ; lb, Wing of another $ from Ontario, to show range of 

 variation of size ; Ic, Fork scale from head, to show difference from those 

 of An. Walkeri, Theobald. 



(Fn. Suec. 1791, Linn. ; Ins. Austr. 482, 982, Schrank ; Spec. Ins. ii, 469, 

 2, Fabr. ; Sy'st. Beschr. i, 11, 1, et vi, 242, Meigen ; Dipt. N. Fr. 163, 

 1, Macq. ; Ins. Lapp. 807, 1, Zett. ; Dipt. Scand. ix, 3i67, 1, Zett. ; Ent. 

 Mag. i, 151, Hal. ; Dipt. Beitr. i, 3, 1, Low ; Fu. Austr. ii, 625, Scbiner : 

 Ent. Syst. iv, 401, 3 (C. trifurcatus), Fabr. ; Klass. i, 5, 8, jMeigeu 

 ( = C. claviger) ; Syst. Antl. 35, 6, Fabr. ; Dipt. Neer. 330, Vau der 

 Wulp; Bull. Sec. Imp. Nat. Mosc. iii, 294, 1 (1845), Gim. ; Syst. Nat. 

 V, 2887, 3, Gmel. ; Mem. Soc. Imp. Nat. Mosc. iv, 129, Fischer ; Bull. 

 Ent. Soc. Ital. p. 225 (1896), Ficalbi ; Reale Accad. d. Lincei, S. d. u. 

 Zool. sulla Malaria, p. 81 (1900). Grassi.) 



Wings unspotted, dark-scaled throughout, except on the 

 middle of the costa and auxiliary vein, where there are numerous 

 yellow scales intermixed with the hlack. Tarsi nearly black 

 throughout, with the exception of a faint ring ou the base of the 

 first joint. Thorax dark grey, with indistinct median and lateral 

 lines ; dark chestnut at the sides. Abdomen brown, some of the 

 segments darker behind. Fork-scales of nape, fimbriate at their 

 free extremities. 



" J . — Head brown, with greyish tomentum, and small pale, creamy, 

 curved scales in front, with a tuft of yellow bristles projecting forwards 

 and pale yellow, upright, forked scales passing backwards as a broad 

 band on each side of the central bare line, the forked scales at the sides 

 black with dusky grey tips ; a pale border partially surrounding the 

 eyes; antennae dark brown, basal joint bright ochreous-brown on one 

 Bide, dark brown on the other ; proboscis nearly black ; palpi ochreous. 

 covered with blackish scales, which are densest at the base, a little longer 

 than the proboscis ; clypeus brown. 



