Key to the Lioponera of New Caledonia

This worker key is based on: [[Media:Ramage, T., Jouault, C. et al. 2019. Two new ant species from New Caledonia.pdf|Ramage, T., Jouault, C., Schmidt, A.R., Seyfullah, L.J. & Perrichot, V. 2019. Two new ant species (Formicidae: Dorylinae, Ponerinae) from New Caledonia. European Journal of Taxonomy 589: 1–14]], as modified from Wilson, 1957.

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 * Lioponera
 * New Caledonia

1

 * Large species (HW > 1.1 mm), with long scapes reaching nearly to posterior corners of head; mesosomal dorsolateral margins absent . . . . . Lioponera dumbletoni


 * Small species (HW < 1.1 mm), scapes barely surpassing eyes; mesosomal dorsolateral margins present (Fig. 4A, D) . . . . . 2

2

 * Mesosomal posterodorsal margin present; posterolateral corners of petiole projected into spines (Fig. 5A) . . . . . Lioponera cohici


 * Mesosomal posterodorsal margin absent (Fig. 4D); posterolateral corners of petiole not projected into spines (Fig. 5B) . . . . . Lioponera neocaledonica