Page 44 - Lo Cascio_2015

572 PIETRO LO CASCIO

Galápagos, for which the only/few recorded species High values are also found in some Greater Antilles
is/are strictly endemic/s. (75% on Hispaniola, 70.8% on Cuba) and some
Figure 12 shows as the values may vary remark- Australasian and Indo-Malay large islands (70.8%
ably depending on the island typology. Among the on Sulawesi, 69.4% on New Guinea, 66.6% on
larger ones, Madagascar confirms its peculiar char- Tasmania, 64.9% on Borneo).
acter by hosting a wholly unique fauna, that sim- The highly significant correlation (r = 0.856,
ilarly than other taxonomic groups reflects its P = 0.0001) found between isolation index and
ancient isolation (Goodman & Benstead, 2004). percentage of endemism for several islands or

Figure 11. Ascetotilla uncinata Brothers, 1971, a remarkable endemic species of New Guinea
(courtesy of Denis J. Brothers).

Figure 12. SIEs percentages (in dark grey) in comparison to the whole number of occurring species
(in light grey) on selected islands.