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The numbers of A. albopictus eggs found in the ovitraps are shown as sums over all 70 traps for each combination of environment and area. In the calendar week 38 in 2013, an unusually high number of ovitraps was dysfunctional (e.g. traps were found turned over, damaged or missing; S1 Table), explaining the sudden drop in the curve for the non-intervention area in the urban environment.
