@article {243,
	title = {The cephalopharyngeal apparatus of syrphid larvae and its relationship to other Diptera},
	journal = {Proceedings of the Zoological Society of London},
	volume = {141},
	year = {1963},
	pages = {261-280},
	keywords = {cephalopharyngeal apparatus, larva, Syrphidae},
	author = {Hartley, J.C.}
}
@article {406,
	title = {The phylogeny and systematics of European predacious Syrphidae (Diptera) based on larval and puparial stages},
	journal = {Zoological Journal of the Linnaean Society},
	volume = {95},
	number = {1},
	year = {1989},
	pages = {29-70},
	keywords = {cladistics, Diptera, Europe, larva, phylogeny, predacious, puparia, Syrphidae, Syrphinae, Systematics},
	author = {Rotheray, Graham E. and Gilbert, Francis S.}
}
@article {325,
	title = {The air suction through mouths in <i>Episyrphus balteatusI</i> larvae (Diptera, Syrphidae)},
	journal = {Dipterologica Bohemoslovaca},
	volume = {9},
	year = {1999},
	pages = {125-126},
	keywords = {air suction, Episyrphus balteatus, larva},
	author = {Laska, Pavel}
}
