@book{201311,
	author = {Aldrich, John Merton},
	title = {American two-winged flies of the genus sylogaster macquart  /},
	note = {Sobretiro de: Proceedings U. S. National Museum 78 (1852): 1-27 Encuadernado con: Key to gall midges (A resume of studies I-VII, itonididae)/ Ephraim Porter Leit  70-203}
}