Taxonomy of the Leptogenys chalybaea species group (Hymenoptera, Formicidae, Ponerinae) from Southeast Asia

& Seiki Yamane
Leptogenys atra sp. n., L. chalybaea, and L. cyanicatena sp. n. are described from Southeast Asia. These three species are distinguished from other congeners by their eye position and the shapes of the clypeal median lobe and petiolar node. The L. chalybaea species group is proposed based on the similarity of these three species. A key to the species in this group is provided. Colonies of this group contain many ergatoid queens, of which virgin...
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