Fig. 2.

Mosquito self-marking unit. a The self-marking unit comprises a removable exit grid (1), supporting cheese cloth stripes impregnated with fluorescent pigment, which is mounted on top of a metal structure (2). b Self-marking units with exit traps mounted on top of the grid with the cheese cloth. A funnel constructed of wire and mesh restricts the mosquitoes to fly only in one direction. c Self-marking unit placed in the field. The plastic foil prevents lizards and other animals from entering the unit