Species compositions of terrestrial isopods in public parks of a commuter town in Japan.

The species compositions of terrestrial isopod assemblages in 150 public parks in a commuter town in Japan were investigated. Eleven species of terrestrial isopods were present, of which seven were considered native or oriental species, and four were exotic species originally distributed in the Mediterranean and European regions. An exotic species Latreille, 1804 was found in all parks.