(A) Relative abundance of flower-visitors across different land-uses in the islands showing disharmonic community composition; on the x-axis, the species are grouped as “Bees”, “Wasps” and “Syrphids” and the number of individuals of each species is reported in brackets after species names; (B) Number of flower visitor species on each plant; on the x-axis, the plant species are grouped as native, exotic (non-invasive) and invasive.