@article {Tadauchi1991,
	title = {Bees of the Mariana Islands, Micronesia,collected by the expedition of the Natural History Museum {\&} Institute,Chiba (Hymenoptera,Apoidea)},
	journal = {Esakia},
	volume = {(34):215-2},
	number = {21s},
	year = {1991},
	month = {March},
	author = {Tadauchi, Osamu}
}
