INSECUTOR INSCITI.^3 MENSTRUUS 77 



region. The wing-scales are bicolored, but the abdominal pale 

 stripe is only exceptionally present. There are larval differ- 

 ences between idaho'ensis and spencerii. 



Species lo 



Aedes (Ochlerotatus) hirsuteron Theobald. 



Culex hirsuteron Theobald, Mon. Culic, ii, 98. 1901. 



Culex hirsuteros Giles, Handb. Gn. or Mosq., 2 ed., 451, 1902. 



Culex reptans Smith (not Linnaeus), Bull. 171, N. J. Agr. Exp. 



Sta., 38, 1904. 

 Culex pretans Grossbeck, Ent. News, xv, 332, 1904. 

 Culex pretans Smith & Grossbeck, Psyche, xii, 17, 1905. 

 Culex pretans Smith, N. J. Agr. Exp. Sta., Rept. Mosq., 291, 1905. 

 Culex pretans Britton & Viereck, Rept. Conn. Agr. Exp. Sta. 



1904, 271, 1905. 

 Culex hirsuteron Theobald, Gen. Ins., Dipt., fasc. 26, 27, 1905. 

 Culex hirsuteron Blanchard, Les Moust., 350, 1905. 

 Culex pretans Blanchard, Les Moust, 630, 1905. 

 Aedes pretans Dyar & Knab, Journ. N. Y. Ent. Soc, xiv, 201, 



1906. 

 Ochlerotatus pretans Coquillett, U. S. Dept. Agr., Bur. Ent, 



Tech. Ser. 11, 18, 1906. 

 Ochlerotatus hirsuteron Coquillett, U. S. Dept. Agr., Bur. Ent, 

 ; Tech. Ser. 11, 21, 1906. 



Ochlerotatus pretans Dyar, U. S. Dept. Agr., Bur. Ent., Giro. 72, 



6, 1906. 

 Ciilicada pretans Theobald, Mon. Culic, iv, 353, 1907. 

 Culex (Ochlerotatus) pretans Viereck, 1st. Ann. Rept. Comm. 



Health Pa., 470, 1908. 

 Aedes pretans Thibault, Proc. Ent Soc. Wash., xii, 18, 1910. 

 Culicada pretans Theobald, Mon. Culic, v, 305, 1910. 

 Culex hirsuteron Theobald, Mon. Culic, v, 358, 1910. 

 Aedes pretans Morse, Ann. Rept. N. J. Sta. Mus., 1909, 719, 1910. 

 Aedes pretans Headlee, Bull. 276, N. J. Agr. Exp. Sta., 195, 1915. 

 Aedes hirsuteron Howard, Dyar & Knab, Mosq. No. & Cent. 



Am. & W. L, iv, 743, 1917. 

 Aedes hirsuteron Dyar, Ins. Ins. Mens., vii, 34, 1919. 



The mesonotum is broadly dark brown in the middle, the 

 usual two brown stripes being united into a band. This form 

 inhabits the Atlantic region from southern Canada to Texas. 

 The form is local and erratic as to apperance, breeding in low 



