^Linnean Society of London (1890). The Journal of the Linnean Society: Zoology. Linnean Society of London. p. 120. Retrieved 30 March 2019. Hetaerius ferrugineus, belonging to a totally different family of beetles, the Histeridae, and which inhabits the nests of Polyergus rufescens, Formica sanguinea, F. pressilabris, F. fusca, F. rufibarbis ...