Figure 2From: Modified mosquito landing boxes dispensing transfluthrin provide effective protection against Anopheles arabiensis mosquitoes under simulated outdoor conditions in a semi-field systemSemi-field system. The walls and the roof of the semi-field system (SFS) are made of metal frames and fiberglass netting material. The SFS has two sections separated by heavy-duty polyurethane. Each of these sections contains one experimental unit.Back to article page