@article{Stange2011,
  author    = {Lionel A. Stange},
  title     = {The Zethus of Venezuela (Hymenoptera: Eumenidae)},
  journal   = {Insecta mundi : a journal of world insect systematics},
  volume    = {11},
  number    = {3-4},
  pages     = {311 -- 324},
  year      = {2011},
}