INSeCUTOR INSCITI^ MENSTRUUS 159 



Aedes bimaculatus Dyar & Knab, Journ. N. Y. Ent. Soc, xiv, 191, 



1906. 

 Psorophora fulva Coquillett, U. S. Dept. Agr., Bur. Ent., Tech. 



ser. 11, 14, 1906. 

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



Tech. ser. 11, 18, 1906. 

 Ochlerotatus bimaculatns Dyar, U. S. Dept. Agr., Bur. Ent., Circ. 



72, 4, 1906. 

 ■ Chrysoconops fulvus Theobald, Mon. Culic, iv, 493, 1907. 



Chrysoconops fulvus Peryassu, Os Culic. do Brazil, 49, 230, 1908. 

 Aedes fulvus Knab, Ent. News, xx, 387, 1909. 

 Chrysoconops fulvus Theobald, Mon. Culic, v, 443, 1910. 

 Aedes bimaculatus Thibault, Proc. Ent. Soc. Wash., xii, 22, 1910. 

 Aedes bimaculatus Howard, Dyar & Knab, Mosq. No. & Cent. Am. 



& W. I., iv, 622, 1917. 

 Aedes fulvus Howard, Dj^ar & Knab, Mosq. No. & Cent. Am. & 



W. I., iv, 624, 1917. 

 Aedes {Ochlerotatus) b'wiaculatus Dyar, Ins. Ins. Mens., vi, 78, 



1918. 

 Aedes bimaculatus Barret, Ins. Ins. Mens., vii, 63, 1919. 

 Aedes bimacttlatus Sherman, Journ. E. Mitchell Sci. Soc, xxxvi, 



91, 1920. 

 Aedes (Heteronycha) fulvus Dyar, Ins. Ins. Mens., viii, 105, 1920. 

 Aedes (Heteronycha) bimaculahis Dyar, Ins. Ins. Mens., viii, 105, 



1920. 

 Aedes fulvus Dyar, Ins. Ins. Mens., viii, 174, 1920. 



In the monograph we recognize fulvus and bimaculatus as 

 distinct species ; but it seems to me that the difference is not 

 more than racial. In the North American form the black mark- 

 ings on the mesothorax are reduced, while the ciliation on the 

 hind legs is less pronounced ; but a gradation seems indicated. 

 No Mexican material is in the collection, and I suspect that the 

 apparent hiatus between our Gulf coast form and the form that 

 appears in Central America and southward is due to the absence 

 of collections in the intervening territory. 



Aedes (Ochlerotatus) mathisi Neveu-Lemaire. 



Cule.r mathisi Neveu-Lemaire, Arch, de Parasit., vi, 13, 1902. 

 Culex mathisi Blanchard, Les Moust., 370, 1905. 

 Culex mathisi Theobald, Mon. Culic, iii, 220, 1903. 

 Culex mathisi Theobald, Mon. Culic, v, 362, 1910. 



