Meranoplus inermis

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Meranoplus inermis
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Crematogastrini
Genus: Meranoplus
Species: M. inermis
Binomial name
Meranoplus inermis
Emery, 1895

MCZ ENT Meranoplus inermis hal.jpg

MCZ ENT Meranoplus inermis had.jpg

Specimen Label



Meranoplus inermis is the only species in the nanus group, and the only known African species, to lack propodeal spines. Apart from this difference the two other species in the group are separated from inermis by the thicker, dorsally sculptured postpetiole in Meranoplus clypeatus, and the differently shaped posterior mesonotal margin in Meranoplus nanus which has 4-6 opaque projections spearated by very thin translucent cuticle.

Keys including this Species


Distribution based on Regional Taxon Lists

Afrotropical Region: Angola, Central African Republic, Congo, Democratic Republic of Congo, Eritrea, Ghana, Kenya, Mozambique, Namibia, Nigeria, South Africa (type locality), Sudan, United Republic of Tanzania, Zimbabwe.

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb




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

  • inermis. Meranoplus inermis Emery, 1895h: 41, pl. 2, fig. 24 (w.) SOUTH AFRICA. Subspecies of nanus: Wheeler, W.M. 1922a: 888. Revived status as species and senior synonym of affinis, kiboshana, nanior, soriculus: Bolton, 1981a: 52.
  • kiboshana. Meranoplus nanus var. kiboshana Forel, 1907a: 12 (w.) KENYA. Junior synonym of inermis: Bolton, 1981a: 52.
  • nanior. Meranoplus nanus subsp. nanior Forel, 1907a: 12 (w.) KENYA. Viehmeyer, 1922: 209 (q.). Junior synonym of inermis: Bolton, 1981a: 52.
  • soriculus. Meranoplus nanus subsp. soriculus Wheeler, W.M. 1922a: 184, fig. 45 (w.q.m.) DEMOCRATIC REPUBLIC OF CONGO. Junior synonym of inermis: Bolton, 1981a: 52.
  • similis. Meranoplus nanus subsp. similis Karavaiev, 1931d: 44, fig. 3 (w.) KENYA. [Junior primary homonym of similis Viehmeyer, above.] Replacement name: affinis Baroni Urbani, 1971b: 361.
  • affinis. Meranoplus nanus subsp. affinis Baroni Urbani, 1971b: 361. Replacement name for similis Karavaiev, 1931d: 44. [Junior primary homonym of similis Viehmeyer, 1922: 208.] Junior synonym of inermis: Bolton, 1981a: 52.



  • Bolton, B. 1981a. A revision of the ant genera Meranoplus F. Smith, Dicroaspis Emery and Calyptomyrmex Emery (Hymenoptera: Formicidae) in the Ethiopian zoogeographical region. Bull. Br. Mus. (Nat. Hist.) Entomol. 42: 43-81 (page 52, Revived status as species, and senior synonym of affinis, kiboshana, nanior and soriculus)
  • Emery, C. 1895i. Voyage de M. E. Simon dans l'Afrique australe (janvier-avril 1893). 3e mémoire. Formicides. Ann. Soc. Entomol. Fr. 64: 15-56 (page 41, pl. 2, fig. 24 worker described)
  • Wheeler, W. M. 1922j. Ants of the American Museum Congo expedition. A contribution to the myrmecology of Africa. VIII. A synonymic list of the ants of the Ethiopian region. Bull. Am. Mus. Nat. Hist. 45: 711-1004 (page 888, Subspecies of nanus)