Potosia Mulsant et Rey, 1870

Alekseev, Vitalii I., 2018, Scarabaeoidea (Insecta: Coleoptera) Of The Kaliningrad Region (Russia): The Commented Actual Checklist, Assessment Of Rarity And Notes To Regional Protection, Acta Biologica Universitatis Daugavpiliensis 18 (2), pp. 111-152 : 140

Subgenus Potosia Mulsant et Rey, 1870

77. P. metallica metallica (Herbst, 1782)

Bercio & Folwaczny 1979 ( Potosia cuprea F. ssp. metallica Hbst. ); Alekseev & Sakhnov 2000 ( Potosia ); Alekseev 2006 ( Potosia ); Alekseev 2014 ( Potosia cuprea metallica ).

Voucher specimens: 4 [Svetlogorsk, 20 June 1990, 2 exp.; Krasnoles’e, 08 June 2008; Medovoe, 10 April – 03 July 2018].

Kaliningrad Region: Numerous reports; Bagr., Chern., Gur., Nest., Pol., Zel.

Comments: The larvae develop in the nest mounds of the ant genus Formica , adult beetles occur on flowers in June-July. The species is widely distributed and occasional throughout the Kaliningrad Region: it occurs mostly in pine forest edges and along roads in forested areas.