iNSEcuTOR insciti^e; menstruus 161 



of the setal group. Claspette stem slender, the filament consid- 

 erably longer than the stem and with a sharp retrose point at 

 about the middle. Tenth sternites small, with about four rather 

 long spines. 



Type, male. No. 25212, U. S. Nat. Mus. ; Paitilla, Canal 

 Zone, Panama, December 17, 1921 (J. B. Shropshire). 



A single male was bred from a ground-pool, which contained 

 also Culex coronator, Uranotaenia geometrica, Psorophora 

 posticatus, Anopheles apicimacula and a single female Aedes, 

 which may be the female of the present form, but which I pre- 

 ferred to identify as Aedes serratus. 



Aedes (Ochlerotatus) nubilus Theobald. 



Culex nubilus Theobald, Mon. Culic, iii, 208, 1903. 



Culex serratus Coffin (not Theobald), in Shattuck, Bahama Ids., 



286, 1905. 

 Culex nubilus Blanchard, Les Moust., 629, 1905. 

 Ochlerotatus nubilus Coquillelt, U. S. Dept. Agr., Bur. Ent., Tech. 



Ser. 11, 19, 1906. 

 Aedes pertinax Grabham, Can. Ent., xxxviii, 316, 1906. 

 Aedes pertinax Dyar & Knab, Proc. Biol. Soc. Wash., xix, 163, 



1906. 

 Protoculex quasiserratus Theobald, Mon. Culic, iv, 463, 465, 1907. 

 Aedes pertinax Pazos, Anal. Acad. Cien. med. fis. y nat. de la 



Habana, xlv, 424, 1908. 

 Aedes pertinax Pazos, San. y Ben., ii, 47, 318, 1909. 

 Culex nubilus Theobald, Mon. Culic, v, 361, 1910. 

 Protoculex quasiserratus Theobald, Mon. Culic, v, 401, 1910. 

 Aedes pertinax Theobald, Mon. Culic, v, 597, 1910. 

 Culex nubilus Surcouf & Gonzales- Rincones, Essai. Dipt. Vul, 



Venez., 180, 1911. 

 Protoculex quasiserratus Surcouf & Gonzales-Rincones, Essai. 



Dipt. Vul. Venez., 190, 1911. 

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



W. I., iv, 721, 1917. 

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



W. I., iv., 791, 1917. 

 Aedes ( lOchlerotatHis) nubilus Dyar, Ins. Ins. Mens., vi. 75, 1918. 

 Aedes {Ochlerotatus) pertinax Dyar, Ins. Ins. Mens., vi., 77, 1918. 

 Aedes polyagrus Dyar, Ins. Ins. Mens., vi, 77, note, 1918. 

 Aedes (Ochlerotatus) nubilus Dyar, Ins. Ins. Mens., vi, 128, 1918. 

 Aedes {Hetcronycha) nubilus Dyar, Ins. Ins. Mens., viii, 105, 1920. 



