@article{Brown2010,
  author    = {F. Martin Brown},
  title     = {Lithoserix williamsi (Siricidae: Hymenoptera) a newly recognized fossil horntail from Florissant, Colorado},
  journal   = {Insecta mundi : a journal of world insect systematics},
  volume    = {01},
  number    = {3},
  pages     = {119 -- 120},
  year      = {2010},
}