@article {543,
	title = {Descriptions of new North American Hymenoptera, and observations on some already described.},
	journal = {Boston Journal of Natural History},
	volume = {1},
	year = {1835},
	pages = {210-305},
	author = {Say, T.}
}
@article {542,
	title = {A description of some new species of Hymenoptera of the United States.},
	journal = {Contributions of the Maclurian Lyceum to the Arts and Sciences},
	volume = {1(1828)},
	year = {1829},
	pages = {67-83},
	author = {Say, T.}
}
