** Clitostethus arcuatus (Rossi, 1794)

Material: Gdańsk Przymorze, Ronald Reagan Park (CF43), 1 ex. shaken down from bird cherry (Prunus padus), 29 Apr 2016, leg. JR.

This south European species was reported more than a century ago from Legnica in Lower Silesia (Letzner 1874) and Ojców in Kraków-Wieluń Upland (Eichler 1914), and recently from Upper Silesia (Królik 2006, Greń et al. 2013), Wielkopolska- Kujawy Lowland (Ruta et al. 2009), Pomeranian Lake District (Ceryngier et al. 2016b) and Mazovian Lowland (Bodzon & Ceryngier 2016, Ceryngier et al. 2016c). Its current range expansion and increase in numbers can probably be attributed to climate change.