Pericoma albomaculata Wahlgren 1904

* 40.Pericoma albomaculataWahlgren, 1904 Note. Junior synonymous name: Pneumia rivularis (Berdén, 1954), see Kvifte et al. (2020). Material examined. Saaremaa • ♂; Ruhnu Island, near Korsi farm; 57°48'28"N, 23°14'32"E; 26.05. – 28. 06. 2011; TWT (on dead Fraxinus excelsior); IS leg.; • ♂; Ruhnu Island; 57°47'59"N, 23°14'34"E; 07.06. – 10. 07. 2012; TWT (on dead Fraxinus excelsior); IS leg.; • ♂; Ruhnu Island; 57°48'01"N, 23°14'38"E; 07.06. – 10. 07. 2012; TWT (on Acer platanoides); IS leg.; • ♂; Ruhnu Island; 57°48'15"N, 23°14'32"E; 07.06. – 10. 07. 2012; TWT (on Acer platanoides); IS leg. Läänemaa • ♂; Vormsi Island, Suuremõisa Park; 58°59'30"N, 23°11'34"E; 06.06. – 06. 07. 2011; TWT (on old Quercus robur); IS leg. Pärnumaa • ♂; Matsalu NP, 58°42'41"N, 23°41'19"E; 11.07. – 14. 08. 2009; TWT (on Populus tremula); IS leg.; • ♂; Kalita NR; 58°04'15"N, 24°51'37"E; 25.07. – 24. 08. 2017; TWT (on Populus tremula); IS leg. Lääne-Virumaa • ♂♂; near Lasila, forest patch No 31; 59°15'48"N, 26°14'17"E; 12. – 30. 05. 2015, 02.07. – 02. 08. 2015; MT; OK leg.; • ♂; near Lasila, forest patch No 50; 59°16'25"N, 26°14'02"E; 12. – 30. 05. 2015; MT; OK leg.; • ♂; near Lasila, forest patch No 79; 59°16'37"N, 26°13'22"E; 30.05. – 02. 07. 2015; MT; OK leg.; • ♂; Tudusoo NR; 59°04'47"N, 26°45'38"E; 28.05. – 25. 06. 2017; TWT; IS leg.; • ♂; Tudusoo NR; 59°04'53"N, 26°46'15"E; 27.05. – 25. 06. 2017; TWT (on Populus tremula); IS leg.; INS 33781. Ida-Virumaa • ♂; Muraka NR, Mädamänniku; 59°07'07"N, 27°13'08"E; 25.05. – 26. 06. 2017; TWT (on dead Populus tremula); IS leg.; INS 33799. Comments. We follow the latest formal interpretation of this species by Kvifte et al. (2020). However, we consider the synonymy provided above questionable. As addressing it is beyond the scope of this paper, we postpone a detailed discussion to a future work. A Palaearctic species (Ježek et al. 2019) assessed as endangered in Czech Republic, but found to be common in Finland (Salmela et al. 2007; Salmela 2008).