@article {49411,
	title = {Bidrag till svenska dipternas K{\"a}nnedom},
	journal = {Kungliga Svenska Vetenskaps Akademiens Handlingar},
	volume = {3},
	year = {1839},
	pages = {1-23},
	author = {Wahlberg, P. F.}
}
@article {21901,
	title = {M{\'e}moire sur les m{\'e}tamorphoses de plusieurs Larves fongivores appartenant {\`a} des Dipteres},
	journal = {Annales des Sciences Naturelles},
	volume = {ser. 2, vol. 12},
	year = {1839},
	pages = {5-60, pl. I-III},
	author = {Dufour, Leon}
}
@article {22771,
	title = {Notice sur quelques dipt{\`e}res nouveaux},
	journal = {Annales De La Societe Entomologique De France},
	volume = {1st serie, v. 8},
	year = {1839},
	pages = {47, pl. V},
	author = {Perris, Edouard}
}
