@article {615,
	title = {Nuevas especies de <i>Sterphus</i> (Diptera: Syrphidae) de Costa Rica con notas sobre otras especies presentes en Costa Rica},
	journal = {Southwestern Entomologist},
	volume = {22},
	number = {1},
	year = {1997},
	note = {New species of <i>Sterphus</i> (Diptera: Syrphidae) from Costa Rica with notes on other species present in Costa Rica},
	pages = {79-90},
	keywords = {Arthropods, COSTA RICA, Dipterans/True Flies, Distribution \& systematics, Insects, Invertebrates, Sterphus, Syrphidae},
	author = {Zumbado, M. A. and Thompson, F. C.}
}
@article {389,
	title = {Immature stages and breeding sites of some Neotropical saprophagous syrphids (Diptera: Syrphidae)},
	journal = {Annals- Entomological Society of America},
	volume = {96},
	number = {4},
	year = {2003},
	pages = {458-471},
	keywords = {Syrphidae},
	author = {P{\'e}rez-Ba{\~n}{\'o}n, C. and Rotheray, G. and Hancock, G. and Marcos-Garc{\'{\i}a, M. A. and Zumbado, M. A.}
}
@article {109,
	title = {A review of the Mesoamerican flower flies of the genus Meromacrus (Diptera: Syrphidae) including the description of a new species.},
	journal = {Studia dipterologica},
	volume = {10},
	number = {1},
	year = {2003},
	pages = {13-36},
	keywords = {Key to species, Meromacrus, Neotropical, New species, Syrphidae},
	author = {Blatch, Sydella A. and Thompson, F. C. and Zumbado, M. A.}
}
