@article{Kugler2009,
  author    = {Charles Kugler},
  title     = {A comparative study of the myrmicine sting apparatus (Hymenoptera, Formicidae)},
  journal   = {Studia entomologica : revista internacional de entomologia},
  volume    = {N.S. 20},
  number    = {fasc. 1-4},
  pages     = {413 -- 548},
  year      = {2009},
}