AntWiki: The Ants --- Online
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Leptanillinae
Tribe: Opamyrmini
Boudinot & Griebenow, 2024
Type genus
1 genera
0 species



  1. Medial mandibular surface with single peg-like chaeta.
  2. Mandible with one tooth and several preapical lobes.
  3. Labrum with multiple ranks of peg-like chaetae (Yamada et al. 2020: fig. 2F).
  4. Maxillary palp 4-merous.
  5. Labial palp 2-merous.
  6. Clypeus extending posteriorly between antennal toruli.
  7. Posteromedian epistomal sulcus not clearly discernible.
  8. Occiput visible in full-face view.
  9. Meso-metapleural suture absent.
  10. Propodeal lobe weakly present.
  11. Subpetiolar process absent.
  12. Abdominal postsclerites II without tergosternal fusion.
  13. Abdominal segment III not petiolate or narrower than posterad abdominal segments.
  14. Abdominal postsclerites IV subequal in length to abdominal postsclerites V and VI.
  15. Abdominal tergite VII hypertrophied, dome-like. Gyne diagnosis. As above, but alate, with compound eyes and three ocelli; occipital carina with short medioventral interruption. M + Cu complete, tubular;

cu-a present; Rs + M, Cuf2 and -3, and 1m-cu present and spectral; 2r-rs + Rsf4 adjoined by Rsf3.


As for the Leptanillinae, but Rs+M and 1m-cu present, and abdominal segment II without tergosternal fusion. Cupula non-annular. Lateropenite present, fully articulated to parossiculus, and malleate. Larval diagnosis. Habitus pogonomyrmecoid. Cranium subelliptical in fullface view. Mandibles typhlomyrmecoid, without teeth, lateral surfaces smooth. Setae short, suberect. Ventral prothoracic process and hemolymph tap on abdominal segment IV absent.

List of Genera

Extant Genera

Fossil Genera

No fossil genera within tribe.


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

  • OPAMYRMINI [tribe of Leptanillinae]
    • Opamyrmini Boudinot & Griebenow, in Griebenow, 2024: 114. Type-genus: Opamyrma Yamane, Bui & Eguchi, 2008: 56.