[Larval chaetotaxy of the maculipennis complex (Diptera-Culicidae) in the Toulouse region].

The atroparvus larval population on the whole is not significantly different from that of Montpellier (France) and Portugal; on the other hand there is a highly significant difference with the populations of Germany and England. The typicus population does not differ significantly from that of Montpellier, but there is a significant difference with the population of Albany. The authors show that the larval chetotaxy is a feeble character for the taxonomy, at least when atroparvus, typicus and messeae coexist.