Tetramorium judas

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Tetramorium judas
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Crematogastrini
Genus: Tetramorium
Species: T. judas
Binomial name
Tetramorium judas
Wheeler, W.M. & Mann, 1916


A member of the Tetramorium semilaeve species complex in the Tetramorium caespitum species group.


Distribution based on Regional Taxon Lists

Palaearctic Region: Israel (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb

Countries Occupied

Number of countries occupied by this species based on AntWiki Regional Taxon Lists. In general, fewer countries occupied indicates a narrower range, while more countries indicates a more widespread species.


Estimated Abundance

Relative abundance based on number of AntMaps records per species (this species within the purple bar). Fewer records (to the left) indicates a less abundant/encountered species while more records (to the right) indicates more abundant/encountered species.





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

  • judas. Tetramorium caespitum subsp. judas Wheeler, W.M. & Mann, 1916: 172 (w.) JORDAN.
    • Type-material: 9 syntype workers.
    • Type-locality: Jordan (“Palestine”): Wady Mojeb (= Wadi Mujib?), 1914 (W.M. Mann).
    • Type-depository: MCZC.
    • Menozzi, 1933b: 70 (q.m.).
    • Subspecies of caespitum: Santschi, 1921b: 433; Emery, 1924d: 277.
    • Subspecies of semilaeve: Menozzi, 1933b: 69; Bolton, 1995b: 409 (error); Vonshak, et al. 2009: 45 (error).
    • Status as species: Kugler, J. 1988: 257.
    • Distribution: Israel, Jordan.

Taxonomic Notes

Status of this taxon remains uncertain. According to the recent redescription (Borowiec et al. 2015) the nominotypical taxon Tetramorium semilaeve is distributed only in the western part of the Mediterranean area, in Balkans the group of species comprises four taxa (Salata & Borowiec 2017). Our material from the eastern part of the Mediterranean area suggests that eastern Turkey, the Middle East and Iran are occupied by a number of undescribed taxa and the group needs further studies (Borowiec & Salata, 2020).