Phylogeny of Leptomyrmex

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Relationships among selected species of the ant genus Leptomyrmex based on Lucky 2011[1] and Barden et al. (2017). Note only selected Leptomyrmex species are included.

Lucky (2011): Monophyly of the genus Leptomyrmex was recovered, as was the sister-group relationship of ‘micro-’ and ‘macro-’ Leptomyrmex species. Divergence dating analyses estimate that Leptomyrmex arose in the Eocene (stem age ~44 million years ago (ma)), and that the ‘macro-’ species diverged from the ‘micro-’ species in the early Oligocene (~31 ma). Diversification of the crown group ‘macro-’ and ‘micro-’ Leptomyrmex occurred in the Miocene (~15 ma and 7.9 ma, respectively). New Guinea and New Caledonian lineages appear to have diverged from Australian lineages only recently (~4.7 ma and 10.3 ma, respectively), and the latter clade is inferred to have reached New Caledonia from Australia via long distance dispersal.

For relationships among the genera of the Dolichoderinae (to which Leptomyrmex belongs) see Phylogeny of Dolichoderinae.


Leptomyrmex neotropicus (fossil only)

Leptomyrmex relictus


Leptomyrmex burwelli

Leptomyrmex dolichoscapus


Leptomyrmex mjobergi

Leptomyrmex varians

Leptomyrmex unicolor

Leptomyrmex flavitarsus

Leptomyrmex puberulus

Leptomyrmex darlingtoni

Leptomyrmex fragilis

Leptomyrmex niger

Leptomyrmex erythrocephalus

Leptomyrmex wiburdi

Leptomyrmex cnemidatus

Leptomyrmex nigriventris

Leptomyrmex tibialis

Leptomyrmex geniculatus

Leptomyrmex nigriceps

Leptomyrmex pallens

Leptomyrmex rufithorax

Leptomyrmex rufipes

Leptomyrmex rothneyi

Leptomyrmex ruficeps


  1. Lucky, A. (2011). Molecular phylogeny and biogeography of the spider ants, genus Leptomyrmex Mayr (Hymenoptera: Formicidae). Molecular Phylogenetics and Evolution 59, 281-292.

Barden et al., 2017.