Formica sanguinea

Another species, Formica sanguinea, was likewise first discovered by P. Huber to be a slave-making ant.

VIII. Instinct. Special Instincts 1909

Formica sanguinea, on the other hand, possesses much fewer slaves, and in the early part of the summer extremely few: the masters determine when and where a new nest shall be formed, and when they migrate, the masters carry the slaves.

VIII. Instinct. Special Instincts 1909

A well-known ant, the _Formica sanguinea_, found in the South of England, is however, a true slave-making species, but exhibits no such utter dependence on its servitors as does _Polyergus_.

A Book of Natural History Young Folks' Library Volume XIV. Various 1891

Formica sanguinea, on the other hand, possesses much fewer slaves, and in the early part of the summer extremely few.

On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life 1859

Formica sanguinea, on the other hand, possesses much fewer slaves, and in the early part of the summer extremely few.

On the Origin of Species~ Chapter 07 (historical) Charles Darwin 1859

Another species, Formica sanguinea, was likewise first discovered by P. Huber to be a slave-making ant.

On the Origin of Species by Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life. (2nd edition) Charles Darwin 1845