Taxonomical Study of Culex spp . Larvae (Diptera:Culicidae) in the North of Aleppo- Syria

This study was conducted in the north of Aleppo / Syria. The speciments were collected from several constant and temporary water sites for the contribution of classification of Culex spp. Larvae, a total of 1613 fourth instar larvae were collected by a dipper with a size of 250 ml , six species which belong to genus Culex were recorded : Culex ( Culex) pipiens,Culex (Culex) quinquefasiatus, Culex (Culex) vagans, Culex (Culex) torrentium, Culex (Culex) thieleri, Culex (Culex) tritaeniorhynchus.
It had been excerpted a classification key to the species of Culex in the north of Aleppo- Syria based on morphology of fourth instar larvae.