Myrmica ereptrix

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Myrmica ereptrix
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Myrmicini
Genus: Myrmica
Species: M. ereptrix
Binomial name
Myrmica ereptrix
Bolton, 1988

Myrmica ereptrix P casent0900296.jpg

Myrmica ereptrix D casent0900296.jpg

Specimen Label

This species is known from only a single holotype queen, which was collected from a Picea forest in India. It is a workerless inquiline in the nest of Myrmica aimonissabaudiae.

At a Glance • Workerless Inquiline  



A member of the smythiesii species group (Bharti et al. 2016). This species is distinctive, it has an extremely wide petiole and postpetiole, both with well-developed, large ventral lobes.

Keys including this Species


Distribution based on Regional Taxon Lists

Oriental Region: India (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb



Only queens have been found, males and workers are unknown.


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

  • ereptrix. Myrmica ereptrix Bolton, 1988a: 2, figs. 1, 5 (q.) INDIA. See also: Radchenko & Elmes, 2003a: 236; Radchenko & Elmes, 2010: 130.

Type Material

  • Holotype, queen, Kashmir, Gulmarg, 2800 m, India, 20.vii.1986, P.H. Williams; Picea forest.

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


Radchenko and Elmes (2003) - Measurements and indices (holotype queen). HL 1.20; HW 1.06; SL 0.86; AL 1.96 mm; FI 0.53; FLI 1.02; SI1 0.72, SI2 0.81; PPI 0.92; ESLI 0.36.


Radchenko and Elmes (2010) - M. ereptrix: from the feminine form of the Latin word ereptor = thief, to indicate that this species is almost certainly a social parasite.


References based on Global Ant Biodiversity Informatics

  • Bolton B. 1988. A new socially parasitic Myrmica, with a reassessment of the genus (Hymenoptera: Formicidae). Syst. Entomol. 13: 1-11
  • Radchenko A. G., and G. W. Elmes. 2003. A taxonomic revision of the socially parasitic Myrmica ants (Hymenoptera: Formicidae) of the Palaearctic region. Annales Zoologici (Warsaw) 53: 217-243.
  • Radchenko A. G., and G. W. Elmes. 2010. Myrmica ants (Hymenoptera: Formicidae) of the Old World. Fauna Mundi 3. Warsaw: Natura Optima Dux Foundation, 790 pp.
  • Radchenko, A. G., and G. W. Elmes. "A taxonomic revision of the ant genus Myrmica Latreille, 1804 from the Himalaya (Hymenoptera: Formicidae)." Entomologica Basiliensia 23 (2001): 237-276.