Formica fragilis

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Formica fragilis
Temporal range: Burdigalian, Early Miocene
Radoboj, Croatia
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Formicini
Genus: Formica
Species: F. fragilis
Binomial name
Formica fragilis
Heer, 1867



This taxon was described from Croatia (Miocene).




The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.

  • fragilis. †Formica fragilis Heer, 1867: 8, pl. 1, figs. 4, 5 (q.m.) CROATIA (Miocene).
    • [Unresolved junior primary homonym of fragilis Smith, F. 1859a: 136 (Bolton, 1995b: 195).]
    • Combination in Lasius (part) and Plagiolepis (part): Mayr, 1867b: 56.
    • Combination in Lasius: Scudder, 1891: 713.
    • Combination in Plagiolepis: Handlirsch, 1907: 859.
    • Unidentifiable to genus; incertae sedis in Formica: Bolton, 1995b: 195.



  • Handlirsch, A. 1907. Die fossilen Insekten und die Phylogenie der rezenten Formen. Ein Handbuch für Paläontologen und Zoologen. Lieferung 6. Leipzig: Wilhelm Engelmann, pp. 801-960. (page 859, combination in Plagiolepis)
  • Heer, O. 1867. Fossile Hymenopteren aus Oeningen und Radoboj. Neue Denkschr. Allg. Schweiz. Ges. Gesammten Naturwiss. 22(4 4: 1-42 (page 8, pl. 1, figs. 4, 5 queen, male described)
  • Mayr, G. 1867b. Vorläufige Studien über die Radoboj-Formiciden, in der Sammlung der k. k. geologischen Reichsanstalt. Jahrb. K-K. Geol. Reichsanst. Wien 17: 47-62 (page 56, combination in Lasius (part) and Plagiolepis (part))
  • Scudder, S. H. 1891. Index to the known fossil insects of the world, including myriapods and arachnids. Bull. U. S. Geol. Surv. 71: 1-744 (page 713, combination in Lasius)
  • Smith, F. 1859a. Catalogue of hymenopterous insects collected by Mr. A. R. Wallace at the islands of Aru and Key. [part]. J. Proc. Linn. Soc. Lond. Zool. 3: 132-158 (page 136, unresolved junior primary homonym of fragilis Smith, F. 1859)