Figure 3
From: Feeding behaviour of potential vectors of West Nile virus in Senegal
Seasonal variations of mosquito densities according to trap location at Grand Lampsar River, in the Senegal River delta. The mean apparent mosquito densities per trap per night are presented for Culex tritaeniorhynchus and Cx. neavei according to the location of the pigeon- and CO2- baited traps, on the ground or in the tree canopy (standard errors are presented as vertical lines).