Ponowne odkrycie Somatochlora alpestris (Selys, 1840) i nowe stanowisko S. arctica (Zetterstedt, 1840) w Kotlinie Nowotarsko-Orawskiej (Odonata: Corduliidae)

During studies on spiders of high peat bogs in Orawa - Nowy Targ Basin (southern Poland), a few larvae of two Soma- tochlora species were caught in Barber's traps. Larvae were found in traps situated by the edges of peat bogs, in places without isolated water bodies, in patches of damp Sphagnum. Somatochlora alpestris was caught in Puścizna Wielka (49°27'N, 19°46'E, UTM: DV 17) and Baligówka (49°28'N, 19°50'E, DV 18) peat bogs. Both localities are situated at the height of ca. 650 m above sea level. New data confirm the occurrence of the species in peat bogs in the Orawa - Nowy Targ Basin: the last record from 78 years ago was given by Fudakowski (1932). Taking into consideration small effectiveness of Barber's traps in collecting dragonflies, even so scarce material shows that S. alpestris can be present in the area numerously and in many sites, however, this needs to be verified on the field. This species does not react on climatic changes as Aeshna caerulea whose range of occurrence moved from 840 to ca. 1 400 m above sea level. Together with data about good condition of mountain populations of this species it proves the validity of shifting S. alpestris in the Red list of Dragonflies of Poland from EN category to NT. New locality of Somatochlora arctica is a nature reserve „Bór na Czerwonem" (49°27'N, 20°02'E, DV37). This site is important for the protection of this species for its acreage has become even more fragmented in Poland. Our data as well as random literature one (including the record of Coenagrion ornatum) indicate on the great significance of peat bogs of the Orawa - Nowy Targ for dragonfly protection. This area urgently needs to be adequately investigated.