Monomorium dichroum

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Monomorium dichroum
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Solenopsidini
Genus: Monomorium
Species: M. dichroum
Binomial name
Monomorium dichroum
Forel, 1902

Monomorium dichroum casent0902222 p 1 high.jpg

Monomorium dichroum casent0902222 d 1 high.jpg

Specimen Labels

In Yemen this species was collected from a banana farm where the soil was moist and rich in decaying livestock faeces. Several pselaphine beetles were also observed in the same habitat (Sharaf et al., 2017).


Worker caste of this species can be confused with the cosmopolitan species Monomorium pharaonis (L., 1758) but it can be separated by the finely longitudinally striated head, the smooth first gastral tergite, and the dark patches in front of the eyes (Sharaf et al., 2017).

Keys including this Species


Distribution based on Regional Taxon Lists

Afrotropical Region: Socotra Archipelago, Yemen.
Oriental Region: India (type locality).
Palaearctic Region: China, Oman.

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb


Sharaf et al (2018) - Oman: Several workers were found in leaf litter under a date palm tree where the soil was soft and dry.



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

  • dichroum. Monomorium dichroum Forel, 1902c: 212 (w.q.) INDIA. Imai, Baroni Urbani, et al. 1984: 7 (k.).



  • 2n = 16 (India) (Imai et al., 1984).