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Eisner, T. 1957. A comparative morphological study of the proventriculus of ants (Hymenoptera: Formicidae). Bulletin of the Museum of Comparative Zoology 116:439-490. PDF
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Dufour, L. 1857. Mélanges entomologiques. Annales de la Société Entomologique de France (3)5:39-70. PDF
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Dufour, L. 1862. Notices entomologiques. Annales de la Société Entomologique de France (4)2:131-148. PDF
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Dufour, L. 1864. Note sur une nouvelle espèce de fourmi (Formica Vinsonnella). Annales de la Société Entomologique de France (4)4:210. PDF
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Notes: Ants pp. 897-931.

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Douwes, P. 1979. Formica rufa-gruppens systematik. Entomologisk Tidskrift 100:187-191. PDF
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Douwes, P. 1995. Sveriges myror. Entomologisk Tidskrift 116:83-99.
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