Forelius heyeri

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Forelius heyeri
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Dolichoderinae
Genus: Forelius
Species: F. heyeri
Binomial name
Forelius heyeri
(Forel, 1902)

Tapinoma heyeri casent0909771 p 1 high.jpg

Tapinoma heyeri casent0909771 d 1 high.jpg

Specimen Labels



Posterior cephalic margin completely straight. Mandible with five teeth and one denticle. Scape much shorter (≤ 0.43 mm) than that of Forelius antarcticus (SL ≥ 0.69 mm), below or barely reaching the posterior cephalic margin by a length less than the width of the pedicel. Pronotum with two thick dark erect setae that contrast with the light integument, each seta arising from a distinct fovea. (Guerrero, 2021)

Keys including this Species


Distribution based on Regional Taxon Lists

Neotropical Region: Argentina (type locality), Paraguay, Uruguay (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb





The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

  • heyeri. Tapinoma heyeri Forel, 1902e: 296 (footnote), pl. 1, fig. 11 (w.) BRAZIL.
  • pusillus. Forelius breviscapus var. pusillus Santschi, 1922b: 374 (w.) ARGENTINA.
    • Raised to species and senior synonym of tucumanus: Cuezzo, 2000: 263.
    • Junior synonym of heyeri: Guerrero, 2021: 433.
  • risii. Tapinoma heyeri var. risii Forel, 1912h: 58 (w.) URUGUAY.
    • Junior synonym of heyeri: Guerrero, 2021: 433.
  • tucumanus. Neoforelius tucumanus Kusnezov, 1953b: 330, figs. 1-12 (w.q.m.) ARGENTINA.
    • Combination in Forelius: Shattuck, 1992c: 95.
    • Junior synonym of pusillus: Cuezzo, 2000: 263.
    • Junior synonym of heyeri: Guerrero, 2021: 433.

Type Material



References based on Global Ant Biodiversity Informatics

  • Fernández, F. and S. Sendoya. 2004. Lista de las hormigas neotropicales. Biota Colombiana Volume 5, Number 1.
  • Kempf, W.W. 1972. Catalago abreviado das formigas da regiao Neotropical (Hym. Formicidae) Studia Entomologica 15(1-4).