The comparative
faunistic analysis of species diversity of family Gelechiidae in Islands of
Peter the Great Gulf and in neighboring continental territories is made.
The island fauna
turned out depleted because of small size of islands, limited landscape diversity and
impossibility of active moth migration due to their
weak flying abilities.
However the
concentration of species diversity in islands is almost two orders of magnitude
larger than that in continental part. The proportion of Gelechiid groups with
certain type of geographic range in islands is similar to that in continental
part, that is treated by recent their isolation.
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