Title: Biblio RTF Export
Author: Biblio 7.x

W.  Nylander, ?Additamentum adnotationum in monographiam formicarum borealium Europae.?, Acta Societatis Scientiarum Fennicae, vol. 2, pp. 1041-1062, 1846.

A.  Foerster, Hymenopterologische Studien. 1. Formicariae. Aachen: Ernst Ter Meer, 1850, p. 74.