Table 1: Premating isolation IPSI between
intraspecific (homotypic) and interspecific (heterotypic) strains ofD. w. willistoni and D. w. winge as well as interspecific
mating asymmetry (IAPSI(AB/BA). S= Saint Vincent; U=
Uruguay; G= Guadeloupe; P= Puerto Rico. Pâvalues were determined by
bootstrapping 10,000 times. *P < 0.05;
**P < 0.01; ***P < 0.001.