@article {21863,
	title = {A phylogenetic study of the larvel and adult head in Neuroptera, Mecoptera, Diptera, and Trichoptera},
	journal = {Annals of the Entomological Society of America},
	volume = {10},
	year = {1917},
	pages = {337-344},
	author = {Crampton, G. C.}
}
