Stereomyrmex horni

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Stereomyrmex horni
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Crematogastrini
Genus: Stereomyrmex
Species: S. horni
Binomial name
Stereomyrmex horni
Emery, 1901

Stereomyrmex horni casent0101263 profile 1.jpg

Stereomyrmex horni casent0101263 dorsal 1.jpg

Specimen labels

At a Glance • Ergatoid queen  


Nothing is known about the biology of Stereomyrmex horni.



Latitudinal Distribution Pattern

Latitudinal Range: 8.333333333° to 6.099722222°.

Tropical South

Distribution based on Regional Taxon Lists

Oriental Region: Sri Lanka (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb



Bolton (2003) describes the queen as ergatoid


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

  • horni. Stereomyrmex horni Emery, 1901f: 116, figs. (w.m.) SRI LANKA.
    • Type-material: syntype workers, syntype males (numbers not stated).
    • Type-locality: Sri Lanka (“Ceylon”): Bandarawella, 1899 (W. Horn).
    • Type-depository: MSNG.
    • Forel, 1908a: 3 (q.).
    • Status as species: Forel, 1903a: 699; Bingham, 1903: 219; Forel, 1908a: 3; Emery, 1922e: 120; Chapman & Capco, 1951: 173; Bolton, 1995b: 394; Bolton, 2003: 273; Dias, R.K.S. et al. 2020: 91.
    • Distribution: Sri Lanka.

Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.


Emery 1901. Page 116
Emery 1901. Page 117


References based on Global Ant Biodiversity Informatics

  • Chapman, J. W., and Capco, S. R. 1951. Check list of the ants (Hymenoptera: Formicidae) of Asia. Monogr. Inst. Sci. Technol. Manila 1: 1-327
  • Dias R. K. S. 2002. Current knowledge on ants of Sri Lanka. ANeT Newsletter 4: 17- 21.
  • Dias R. K. S. 2006. Current taxonomic status of ants (Hymenoptera: Formicidae) in Sri Lanka. The Fauna of Sri Lanka: 43-52. Bambaradeniya, C.N.B. (Editor), 2006. Fauna of Sri Lanka: Status of Taxonomy, Research and Conservation. The World Conservation Union, Colombo, Sri Lanka & Government of Sri Lanka. viii + 308pp.
  • Dias R. K. S., K. R. K. A. Kosgamage, and H. A. W. S. Peiris. 2012. The Taxonomy and Conservation Status of Ants (Order: Hymenoptera, Family: Formicidae) in Sri Lanka. In: The National Red List 2012 of Sri Lanka; Conservation Status of the Fauna and Flora. Weerakoon, D.K. & S. Wijesundara Eds., Ministry of Environment, Colombo, Sri Lanka. p11-19.
  • Dias R. K. S., and H. P. G. R. C. Ruchirani. 2014. Nest density of Aneuretus simoni Emery (Sri Lankan Relict Ant) and Stereomyrmex horni Emery in three forest regions in western and southern Sri Lanka. Asian Myrmecology 6: 83-90.
  • Dias R. K. S., and R. P. K. C. Rajapaksa. 2016. Geographic records of subfamilies, genera and species of ants (Hymenoptera: Formicidae) in the four climatic zones of Sri Lanka: a review. J. Sci. Univ. Kelaniya 11(2): 23-45.
  • Dias R. K. S.; Peiris, H. A. W. S.; Ruchirani, H. P. G. R. C. 2011. Discovery of Aneuretus simoni Emery in a disturbed forest in Kalutara, and Stereomyrmex horni Emery in Anuradhapura Sanctuary, Sri Lanka. Asian Myrmecology 4: 99-102.
  • Emery C. 1901. Ameisen gesammelt in Ceylon von Dr. W. Horn 1899. Deutsche Entomologische Zeitschrift 1901: 113-122.
  • Forel A. 1903. Les Formicides de l'Empire des Indes et de Ceylan. Part X. J. Bombay Nat. Hist. Soc. 14: 679-715.
  • Forel, A. 1908. Fourmis de Ceylan et d'Égypte récoltées par le Prof. E. Bugnion. Lasius carniolicus. Fourmis de Kerguelen. Pseudandrie? Strongylognathus testaceus. Bull. Soc. Vaudoise Sci. Nat. 44: 1-22