Abstract
The pupa and the fourth-instar larva of Culex (Culex) ameliae Casal and Cx. (Cux.) articularis Philippi are described and illustrated for the first time. Information is provided on the distribution, bionomics and taxonomy of the species. Culex (Culex)ameliae was described by Casal (1967) based on the male genitalia and a single morphological character of the adults. The specimens were collected between San Pedro and Eldorado, 10 km from San Pedro, Mis-iones Province, Argentina. Adults were obtainedfrom individual rearing of larvae and Shannon traps. Although the pupal and larval exuviae of 15 male and 7 female paratypes were preserved, neither immature stage was described, and the adult descriptions were limited to few characters.
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