@article{Krombein2009,
  author    = {Karl V. Krombein},
  title     = {Biological and taxonomic observations on the wasps in a coastal area of North Carolina (Hymenoptera: Aculeata)},
  journal   = {Wasmann journal of biology},
  volume    = {10},
  number    = {3},
  pages     = {257 -- 341},
  year      = {2009},
}