"Seifert (2004)" . "2004"^^ . "Seifert, B. 2004. The \u201CBlack Bog Ant\u201D Formica picea NYLANDER, 1846 \u2013 a species different from Formica candida SMITH, 1878 (Hymenoptera: Formicidae). Myrmecologische Nachrichten, 6: 29-38." . . . . "Seifert (2004)" . "2004"^^ .