* Platynaspis luteorubra (Goeze, 1777)
Material: Odargowo (CF17): 16 Aug 2014, 2 exx. on spruces (Picea abies), leg. JR; Pustki (CF17): 11 Aug 2014, 3 exx. (2 imagines, 1 larva), sorrel (Rumex sp.) on a grassland, leg. JR; 24 Jul 2015, 1 ex. (larva), grassland, leg. JR; 26 Jul 2015, 2 ex. (larvae) on oak (Quercus sp.), leg. JR; 26 Jul 2015, 11 exx., psammophilous grassland, leg. JR; 7 Aug 2015, 4 exx., grassland, leg. JR; Chłapowo (CF37): 20 May 2017, 1 ex., xerothermic grassland, leg. KS.
A species preferring warm and sunny habitats. Widely distributed in Poland, but relatively rarely recorded (Burakowski et al. 1986). Within the Baltic Coast, reported by Lüllwitz (1915) from Koszalin and more recently by O. Aleksandrowicz from Wiklino near Słupsk (Coleoptera Poloniae: http://baza.biomap.pl/pl/data/record/659443/default).