AntWiki: The Ants --- Online
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Leptanillinae
Tribe: Leptanillini
Emery, 1910
Type genus
1 genera
80 species


The following diagnoses are provided by Griebenow (2024).

Worker diagnosis

  1. Medial mandibular surface with or without peg-like chaetae.
  2. Mandible with 0–4 teeth along medial margin.
  3. Labrum with (Fig. 21A, B) or without multiple ranks of peg- or pencil-like chaetae.
  4. Maxillary palp 4-, 2-, or 1-merous.
  5. Labial palp 2- or 1-merous.
  6. Clypeus extending posteriorly between antennal toruli (Fig. 22A) or not (Fig. 22B).
  7. Posteromedian epistomal sulcus clearly discernible (Fig. 22A) or not (Fig. 22B).
  8. Occiput not visible in full-face view.
  9. Meso-metapleural suture present or absent.
  10. Propodeal lobes absent.
  11. Subpetiolar process present or absent.
  12. Abdominal postsclerites II–III with tergosternal fusion.
  13. Abdominal segment III petiolate, narrower than posterad abdominal segments.
  14. Abdominal postsclerites IV subequal in length to, or greater in length than, abdominal postsclerites V–VI.
  15. Abdominal tergite VII enlarged, not dome-like.


See respective gyne-based diagnoses for Leptanilla and Protanilla.


As for the Leptanillinae, but Rs+M and 1m-cu absent. Abdominal segment II with complete tergosternal fusion. Lateropenite present or absent; if present, then not articulated to parossiculus and never malleate.


See respective larval diagnoses for Leptanilla and Protanilla.

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.

  • LEPTANILLINI [tribe of Leptanillinae]
    • Leptanillini Emery, 1910b: 32. Type-genus: Leptanilla Emery, 1870: 196.
  • ANOMALOMYRMINI [junior synonym of Leptanillini]
    • Anomalomyrmini Taylor, in Bolton, 1990b: 278. Type-genus: Anomalomyrma Taylor, in Bolton, 1990b: 278.

Taxonomic History

  • Leptanillini as tribe of Dorylinae: Emery, 1910b: 32; Wheeler, W.M. 1910g: 138 [Leptanillii]; Arnold, 1915: 113; Emery, 1916b: 94; Forel, 1917: 240; Bondroit, 1918: 16; Wheeler, W.M. 1922a: 633.
  • Leptanillini as tribe of Leptanillinae: Wheeler, W.M. 1923f: 335; Chapman & Capco, 1951: 17; Bolton, 1990b: 276; Bolton, 1994: 70; Bolton, 2003: 40, 152; Griebenow, 2024: 116.