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Nowe stanowiska łątki zielonej Coenagrion armatum (Charpentier, 1840) (Odonata: Coenagrionidae) w południowej części Podlasia i na wschodnim Mazowszu

100%

Mikolajczuk P.

Odonatrix. Biuletyn Sekcji Odonatologicznej Polskiego Towarzystwa Entomologicznego

2012

tom 08

nr 2

Coenagrion armatum (CHARPENTIER, 1840) belongs to the critically endangered species in Poland. The main reasons for its regress are: drying out the habitats due to the climate and anthropopression as well as eutrophisation and the changes of space structure and species composition of veg- etation associated with this (BERNARD et al. 2009). The number of sites of this species in Poland is underestimated (BUCZYŃSKI et al. 2011). In this paper there are two new records of C. armatum from the southern Podlasie and the eastern Masovia, with giving co-occurring dragon*y species (* – native species undergoing the whole development cycle, # – probably native species). The site nr. 3 is situated outside the presumed range of the occurrence (BERNARD et al. 2009). This is the ;rst record of the species after several years in Masovia (TOŃCZYK et al. 1998) and the third record to the west of 22°E after 2002 (BUCZYŃSKI et al. 2011; SAMOLĄG 2002). In the light of the last records about Dark Bluet in Puławy and Jabłonów (BUCZYŃSKI et al. 2011), the record in Masovia shows that there are more sites outside the presumed range of the occurrence and the lack of data is the result of not only the rarity of the occur- rence itself but also the lack of directed searches. The sites 1–2 probably dry out in the periods of low level of ground waters. The records of this species in such water bodies shows its high mobility and ability to fast colonize of new habitats.

Pierwsze stwierdzenia Coenagrion armatum (CHARPENTIER, 1840) (Odonata: Coenagrionidae) w Kotlinie Biebrzańskiej

71%

Henel A. , Taylor J. R. E. , Krajewski L.

tom 34

nr 2