Ganin, M. 1869. Über die Embryonalhülle der Hymnopteren- und Lepidopteren-Embryonen. Mémoires de l'Académie impériale des sciences de St. Pétersbourg 7e serie 14(5):18 pp., 1 pl. PDF

Notes: Embryogenesis Formica fusca.

Emmert, W. 1968. Die Postembryonalentwicklung sekretorischer Kopfdrüsen von Formica pratensis Retz. und Apis mellifica L. (Ins. Hym.). Zeitschrift für Morphologie der Tiere 63:1-62. PDF

Notes: Formica head gland development

Brischke, C. G. A. 1888. Hymenoptera aculeata der Provinzen West- und Ostpreussen. Schriften der Naturforschenden Gesellschaft in Danzig N.F.7(1):85-107.

Notes: Ants (Formicariae) pp. 104-105.

McCook, H. C. 1878b. Mound-making ants of the Alleghenies. American Naturalist 12:431-445. PDF
Linnaeus, C. 1771. Mantissa plantarum altera generum editionis VI & specierum editionis II. Holmiae [= Stockholm]: Laurentii Salvii, [6] + 143-587 pp. PDF

Notes: Description of Formica quadripunctata, p. 541.

Theunert, R. 1995. Erstnachweise von Stechimmen für die niedersächsische Fauna (Insecta: Hymenoptera). Folge II. Mitteilungen des Internationalen Entomologischen Vereins E. V. Frankfurt A. M. 20:51-58.
Dufour, L. 1862. Notices entomologiques. Annales de la Société Entomologique de France (4)2:131-148. PDF
McCook, H. C. 1880 ("1879"). Formicariae. Pp. 182-189 in: Comstock, J. H. 1880. Report upon cotton insects. Washington, D.C.: Government Printing Office, 511 pp. PDF

Notes: Publication date from Comstock (1881:275).

Yang, X.; Wang, J. 1994. Two kinds of ant chromosomes in Heilongjiang. [In Chinese.]. Zoological Research 15(2):93-96.

Notes: Karyotypes of Formica truncicola and Camponotus herculeanus.

Victor, T. 1839. Insectes du Caucase et des provinces transcaucasiennes. Bulletin de la Société Impériale des Naturalistes de Moscou 12:44-68.

Notes: Page 47: description of Formica caduca (= Messor caducus).

Dlussky, G. M. 2008b. Ants of the tribe Formicini (Hymenoptera, Formicidae) from late Eocene amber of Europe. Paleontological Journal 42 (5):500-513. PDF

Notes: Translated from Paleontologicheskii Zhurnal 2008 (5):45-59.

Drury, D. 1770. [Untitled. Unpublished, fake reference for the misinterpreted species Formica rubripes (Camponotus rubripes).]. None -:-.

Notes:Formica rubripes Drury’, sensu Roger, 1863b: 2, and ‘Formica rubripes Drury, 1770’, sensu Forel, 1886f: 143, and subsequent authors. Misinterpretation.

Say, T. 1831. Descriptions of new species of North American insects, found in Louisiana by Joseph Barabino. New Harmony, Indiana: School Press, 19 pp. PDF

Notes: Contains the original description of Formica mellea [Camponotus melleus], pp. 14-15. See also Scudder (1899).