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Species: Axinidris tridens   (Arnold, 1946) 

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Taxonomic History (provided by Barry Bolton, 2019)

Engramma tridens Arnold, 1946 PDF: 58, fig. 10 (q.) MALAWI. Afrotropic. AntCat AntWiki HOL

Taxonomic history

Combination in Axinidris: Shattuck, 1991 PDF: 119.
See also: Snelling, 2007 PDF: 572.


  Geographic regions (According to curated Geolocale/Taxon lists):
    Africa: Malawi, South Africa
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Taxonomic Treatment (provided by Plazi)

Treatment Citation: Snelling, R. R., 2007, A review of the arboreal Afrotropical ant genus Axinidris., Advances in ant systematics (Hymenoptera: Formicidae): Homage to E. O. Wilson - 50 years of contributions. (Memoirs of the American Entomological Institute 80), pp. 551-579

Axinidris tridens (Arnold)HNS

Engramma tridens ArnoldHNS, 1946: 58 (w). MALAWI, Mlanje (= Mulanje ) (SAMC). Axinidris tridensHNS: Shattuck, 1991: 119 - 120.

Worker diagnosis. Antennal scape shaft, pronotum and gastral terga without erect hairs; pronotum densely pubescent; medial carina acute in profile.

Worker measurements (mm) (n = 2). HW 0.81 - 0.88; HL 0.86 - 0.95; SL 0.72 - 0.82; OVD 0.33; PNW n / a; PPW 0.31 - 0.34; WL 1.07. Indices. CI 93 - 94; CNI 64 - 95; OI 24 - 28; SI 88 - 93.

Worker description. The worker has been adequately redescribed by Shattuck (1991).

Queen and male unknown.


Shattuck (1991) removed this species from EngrammaHNS to AxinidrisHNS. He also reported one worker from St. Lucia Estuary, Natal, SOUTH AFRICA. This is the only specimen known, other than the types.

Specimen Habitat Summary

Type specimens: Paratype: sam-ent-011839

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