648 MOSQUITOES OF NORTH AMERICA 



Oulex canadensis Dyar, Journ. N. Y. Ent. Soc, x, 194, 1902. 



Oulex canadensis Smith, Ent. News, xiii, 267, 300, pi. xv, f. 2, 1902. 



Culex canadensis Johannsen, Bull. 68, N. Y. State Mus., 416, 1903. 



Gulex canadensis Dyar, Proc. Ent. Soc. Wash., v, 141, pi. 11, f. 16, 1903. 



Oulex canadensis Smith, Bull. 171, N. J. Agr. Exp. Stat., 27, 1904. 



Gulex canadensis Dyar, Proc. Ent. Soc. Wash., vl, 38, 1904. 



Oulex canadensis Felt, Bull. 79, N. Y. State Mus., 303, 1904. 



Gulicada canadensis Felt, Bull. 79, N. Y. State Mus., 3916, 1904. 



Gulex nivitarsis Coquillett, Proc. Ent. Soc. Wash., vl, 168, 1904. 



Orabhamia canadensis Dyar, Proc. Ent. Soc. Wash., vii, 48, 1905. 



Oulex niveitarsis Smith & Grossbeok, Psyche, xil, 14, 1905. 



Gulex niveitarsis Smith, N. J. Agr. Exp. Sta., Kept. Mosq., 227, 1905. 



Gulex canadensis Smith, N. J. Agr. Exp. Sta., Rept. Mosq., 265, 1905. 



Gulicada canadensis Felt, Bull. 97, N. Y. State Mus., 474, 1905. 



Gulex canadensis Blanchard, Les Moustiques, 316, 1905. 



Culex canadensis Britten & Viereck, Rept. Conn. Agr. Exp. Stat. 1904, 269, 272, 273, 



1905. 

 Gulicada (.Oulex) canadensis Weber, Ent. News, xvli, 279, 381, 1906. 

 Aedes canadensis Dyar & Knab, Journ. N. Y. Ent. Soc, xiv, 200, 1906. 

 Aedes nivitarsis Dyar & Knab, Journ. N. Y. Ent. Soc, xiv, 200, 1906. 

 Ochlerotatus canadensis Coquillett, U. S. Dept. Agr., Bur. Ent., Tech. Ser. 11, 20, 1906. 

 Ochlerotatus nivitarsis Coquillett, U. S. Dept. Agr., Bur. Ent., Tech. Ser. 11, 20, 1906. 

 Ochlerotatus canadensis and nivitarsis Dyar, U. S. Dept. Agr., Bur. Ent., Circular 72, 



5, 1906. 

 Oulex niveitarsis Theobald, Mon. Culic, iv, 408, 1907. 

 Gulicada canadensis Theobald, Mon. Culic, Iv, 341, 1907. 

 Oulex canadensis Howard, Osier's Modern Medicine, i, 376, 1907. 

 Aedes canadensis Knab, Smiths. Misc. Colls., quart, iss., 1, 547, 1908. 

 Gulex (Ochlerotatus) canadensis Viereck, 1st Ann. Rept. Comm. Health Pa., 470, 1908. 

 Aedes canadensis Thibault, Proc. Ent. Soc. Wash., xii, 19, 1910. 

 Gulicada (f) canadensis Theobald, Mon. Culic, v, 302, 1910. 

 Gulex niveitarsis Theobald, Mon. Culic, v, 355, 1910. 

 Gulex canadensis Theobald, Mon. Culic, v, 351, 1910. 

 Aedes niveitarsis Morse, Ann. Rept. N. J. State Mus., 1909, 718, 1910. 

 Aedes canadensis Morse, Ann. Rept. N. J. State Mus., 1909, 719, 1910. 



Obiqinal Desceiption of Culex canadensis : 



Thorax deep chestnut-brown, with curved golden-brown scales, paler and broader 

 ones at the sides. Abdomen dusky black, with basal white lateral patches, which 

 show on the dorsum of the fourth to seventh segments. Fore and mid ungues of the 

 $ equal and serrated, the hind equal, simple and nearly straight. 



5. Head dark brown, covered with pale golden curved scales, with a few black 

 and ochraceous upright forked ones, and a border of pale scales round the eyes, 

 black bristles projecting forwards, and a tuft of pale golden ones between the eyes ; 

 antennae black with narrow pale bands and pale pubescence; basal joint and basal 

 half of the second testaceous; proboscis, palpi and clypeus very dark brown. 



Thorax brown to deep dull purplish-brown under the lens, deep chestnut-brown 

 to the naked eye, covered with curved golden-brown scales on the dorsum of the 

 mesonotum and with rather broader and paler ones at the sides; scutellum deep 

 purplish-brown, with pale narrow curved scales and a single row of golden-brown 

 bristles to the mid lobe of the scutellum; metanotum chestnut-brown; pleurae 

 purplish-brown, with several patches of white scales. 



Abdomen covered with dusky black scales, each segment with short pale golden 

 posterior bristles, the segments with basal white lateral patches, which show on 

 the dorsum of the fourth to seventh segments; venter entirely covered with pale 

 ochraceous scales. 



Legs with the coxae pale ochraceous, also the bases and under-sides of the femora, 

 which are blackish towards the apical end, extreme apex pure white; tibiae black 

 scaled above, ochraceous below; the mid and hind pair have the apex with yellow and 

 white scales forming a small spot; fore metatarsus and tarsi uniformly dark 

 bronze colour; mid metatarsus with a pale dusky yellow band at the base and apex, 

 first joint of mid tarsus with a narrow basal dusky yellow band, remainder dark 

 bronzy brown; hind metatarsi not nearly as long as the tibiae, pale banded at each 

 end, first and second tarsal joints pale at each end, the third all dark, the fourth pale 

 dusky white; fore and mid claws equal, with a single tooth to each, hind ones nearly 

 straight and simple. 



Wings with the veins brown scaled, the lateral scales being rather thin and long; 

 first sub-marginal cell a little longer and considerably narrower than the second 

 posterior cell, Its stem about two-thirds the length of the cell and equal in length 



