Fig. 3 in Area freedom in Mexico from Mediterranean fruit fly (Diptera: Tephritidae): a review of over 30 years of a successful containment program using an integrated area-wide SIT approach

Fig. 3. Location and distance of the leading edge of the Mediterranean fruit fly infestation for the 3 infestation fronts: North Transversal Strip - Marques de Comillas (NTS), Northwest-Comalapa (NW) and Southwest-Soconusco (SW)) in relation to the limits of the pest free areas (PFA) in Chiapas, Mexico for the years 2004-2013. The contour lines of are equidistant 20 km apart and are used as a reference of the distance between the leading edge of the infestation and the limits of the PFA.