Thaumatomyrmex fraxini sp. nov. (Hymenoptera: Formicidae), a New Ant Species from the Brazilian Atlantic Forest


  • Michele D'Esquivel
  • Benoit Jahyny
  • Muriel Oliveira
  • Lucimeire Lacau
  • Jacques Delabie
  • Sébastien Lacau



Biodiversity, Tabuleiro forest, Taxonomy, Ponerinae


A new species of Ponerinae, Thaumatomyrmex fraxini D’Esquivel and Jahyny (Hymenoptera: Formicidae), is described from several localities from Northeastern Brazil, after the morphology of the worker. This species is easily distinguished from any other ones in the genus by a unique combination of characters that justify its allocation to the species-group ferox, sensu Kempf (1975). The known distribution of this species reveals that its inhabits different ecosystems of the Atlantic Forest biome.


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How to Cite

D’Esquivel, M., Jahyny, B., Oliveira, M., Lacau, L., Delabie, J., & Lacau, S. (2017). Thaumatomyrmex fraxini sp. nov. (Hymenoptera: Formicidae), a New Ant Species from the Brazilian Atlantic Forest. Sociobiology, 64(2), 159–165.



Research Article - Ants

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