The knowledge about the geographical distribution of Aedes patersoni Shanon and Del Ponte, Ae. scapularis (Rondani), Culex dolosus (Lynch Arribálzaga), Mansonia indubitans Dyar Shannon, Psorophora cingulata (Fabricius), Toxorhynchites haemorrhoidalis separatus Tx. purpureus (Theobald), theobaldi s. l. & Knab Uranotaenia lowii Theobald in Northwest Argentina is extended. Likewise, they provi...