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. 2016 Jun 23;11(6):e0158073. doi: 10.1371/journal.pone.0158073

Fig 1. Map of the studied populations of both Boloria butterfly species in south-eastern Belgium (insert).

Fig 1

Dark blue areas = B. aquilonaris populations. Light orange areas = B. eunomia populations. Black arrows and corresponding numbers = direction and number of movements of the B. eunomia dispersers. Circled numbers = Location and number of B. eunomia residents.