@article {3,
	title = {Review of the Nearctic Claustropyga Hippa, Vilkamaa \& Mohrig (Diptera, Sciaridae) with the description of three new species},
	journal = {Zootaxa},
	volume = {1552},
	number = {1},
	year = {2007},
	pages = {53{\textendash}68},
	author = {PEKKA VILKAMAA and Heikki Hippa}
}
