[The tick fauna of eastern Germany].

The occurrence of several tick species in selected areas of Eastern Germany is described. From May 1987 till December 1989 8,472 ticks from 430 places were examined. Ixodidae of the genus Ixodes, Dermacentor and Haemaphysalis as well as Argasidae of the genus Argas were identified. The most common species was Ixodes ricinus. Furthermore, an endemic area of Dermacentor reticulatus was detected in the Düben-Dahlen and Annaburg health. Two other species of ticks, which were found frequently and sometimes with a high intensity on the host were Ixodes hexagonus and Ixodes canisuga. On the other side the species Haemaphysalis concinna and Argas vespertilionis were present at only one respectively two places and with a low population density.