@misc{Hesler2009,
  author    = {Louis S. Hesler},
  title     = {An annotated checklist of the lady beetles (Coleoptera: Coccinellidae) of Iowa, U.S.A.},
  booktitle = {Insecta mundi : a journal of world insect systematics},
  issn      = {1942-1354},
  url       = {http://www.centerforsystematicentomology.org/insectamundi/},
  series    = {Insecta Mundi},
  number    = {0091},
  type      = {periodicalpart},
  year        = {2009},
}