Stagetus borealis, ISRAELSON, 1971

Alekseev, Vitaly I. & Bukejs, Andris, 2010, Contributions to the knowledge of beetles (Insecta: Coleoptera) in the Kaliningrad region. 1., Baltic Journal of Coleopterology 10 (2), pp. 157-176 : 163

16. STAGETUS BOREALIS ISRAELSON, 1971

= PILULUS AUCT. NEC (AUBÉ, 1861)*

Examined material: Recorded only from one locality: 3 km NE Zelenogradsk, 54°56´58.8´´N 20°31´32.3´´E, 26.V-13.VI.2009 (1 ex., margin of Pinetum myrtillosum forest and plateau sphagnum bog, pitfall trap, leg. V. Alekseev) .

Comments: New species for the fauna of the Kaliningrad region. According to the catalogue of Silfverberg (2004), this species has been recorded from Finland, Karelia, Sweden, Norway and Latvia. It is also known from the Polish part of the Bialowieża primeval forest ( Borowski 2001). On the territory of the former East Prussia, it has been recorded from Braunsberg [Branevo] in northern Poland ( Bercio & Folwaczny 1979). The beetle develops in the polypore fungi ( Polyporus ) ( Burakowski et al. 1986). The species is recognized in Poland as a natural forest relict ( Gutowski et al. 2006).