Fig. 1

Geographical layout of the mark-release-recapture of field and laboratory-reared males of Aedes albopictus adults in the site of “Duparc”. The star indicates the position of the release site and the white circles indicate the recapture points with the number of traps. The circles represent the annuli (separated by 25 m) used to calculate the MDT (Google maps). The two white lines separated the region in four quarters representing the distribution of the traps according to the four directions