@misc{HalbertMillerAmes2014,
  author    = {Susan E. Halbert and Gary L. Miller and Lisa M. Ames},
  title     = {The genus Sipha Passerini (Hemiptera: Aphididae) in North America},
  booktitle = {Insecta mundi : a journal of world insect systematics},
  series    = {Insecta Mundi},
  number    = {0326},
  type      = {periodicalpart},
  pages     = {6},
  year        = {2014},
}