Further contribution to knowledge of the earthworms of umadija, Serbia

The authors present the results of recent investigations of earthworms from umadija. Research was carried out during 1996-2003 and included natural and cultivated biotopes from various parts of umadija. We found 27 taxa including six species new for the earthworm fauna of umadija: Dendrobaena alpina, Helodrilus cernosvitovianus, Octolasion cyaneum, Octodrilus complanatus, Serbiona serbica, and Serbiona paratuleskovi. Up to 1995, the total number of earthworm taxa in umadija was 37. After our present study this number has risen to 43 taxa. As for the zoogeographical position of the earthworms of umadija, the established taxa have the following types of distribution: European (11 taxa), cosmopolitan (10), Holarctic (eight) Palearctic (two), South European (five), Balkan (three) and endemic (four).