Abstract
A The Family Dugesiidae: New records for the Azorean Archipelago The freshwater Turbellaria worms are widely distributed and live mainly in lakes, lagoons, ponds and streams. The genus Dugesia of the Family Dugesiidae, differs from another Turbellaria families in some characteristics, namely the possession of multicellular and pigmented retina eyes. These species only inhabit non polluted freshwaters systems, and therefore can be very useful as water quality indicators. In the Azores and Madeira archipelagos, the presence of Dugesia gonocephala in Macaronesia have been previously reported (e.g. Marcus, 1959; Hughes et al., 1998) as the only member of the Family Dugesiidae family present in these islands. New records of Dugesia for the Azores: Dugesia lugubris (Schmidt 1861) and Dugesia tigrina (Girard 1950) are reported here. The occurrence of Dugesia gonocephala and Dugesia polichroa in Azorean freshwaters is confirmed.
Published Version
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