PALM group

  • Clypeus(Cly)and frontal triangle(∆fr)well developped
  • Frontal carinae(frc)sized the(∆fr)and posterior part of theCly
  • PE andPPEdistincts from gaster and never fused with it
  • Dorsal mesosome in 3 distinct parts: PN, MN, Pp
    Sting is functional
  • Whole Palearctic
  • Clypeus(Cly)absent and frontal triangle(∆fr)vestigial or absent
  • Antennal sockets laterally distant from antennal carinae
  • PE andPPEidentics, distincts from gaster and never fused with it
  • Pronotum(PN)and Mesonotum(MN)
    are fused into a single structure. Sting is present and functionnal
  • South Palearctic
  • Clypeus(Cly) restricted and frontal triangle (∆fr)vestigial or absent
  • Cly narrow so that the antennal insertions are close to the anterior margin of the head
  • Propodeal stigmat (Ppst) open and circular
  • Funiculus always: 11 articles
  • France and Japan
  • Clypeus(Cly)absent and frontal triangle(∆fr)vestigial or absent
  • Antennal sockets laterally put side by side with antennal carinae
  • PEandPPEidentics, distincts from gaster and never fused with it
  • Pronotum(PN)and Mesonotum(MN)are fused into a single structure. Sting is present and functionnal
  • Funiculus always 11 articles
  • Japan :Tetraponera attenuata