Figure 1. Sampling sites (cross-shaped symbols) of M. neritoides in the Azores archipelago, Portugal.
FAI, Varadouro, Faial island; FLO, Fajã Grande, Flores island; MOS, Mosteiros, São Miguel island; PIC, Lajes do Pico, Pico island; SMA, Maia, Santa Maria island; SMI, Porto Formoso, São Miguel island.