@article {1283,
	title = {Enemies of the leafhopper. Natural foes of Eutettix tenella in California and their usefulness},
	journal = {Facts about Sugar. VIII},
	volume = {26},
	year = {1919},
	note = {2 part article },
	pages = {470-471, 492-493},
	keywords = {Eutettix tenella, natural enemies, parasitoid, Pipunculidae, Pipunculus industrius, Pipunculus vagabundus, sugar beet leafhopper},
	author = {Hartung, W. J.}
}
@article {1284,
	title = {Natural enemies of the sugar beet leafhoppers in California},
	journal = {Mon. Bull. Calif. Comm. Hort.},
	volume = {4},
	year = {1915},
	pages = {277-279},
	keywords = {Eutettix tenella, natural enemies, parasitoid, Perkinsiella saccharicida, Pipunculidae, Pipunculus industrius, Pipunculus vagabundus, sugar beet leafhopper, sugar cane leafhopper},
	author = {Hartung, William J. and Severin, Henry H. P.}
}
@article {1619,
	title = {Natural enemies of beet leafhopper (Eutettix tenella Baker)},
	journal = {Journal of Economic Entomology},
	volume = {17},
	year = {1924},
	note = {check city of publication},
	pages = {369-377},
	address = {Geneva (New York)},
	keywords = {beet leafhopper, Eutettix tenella, natural enemies, Pipunculidae},
	author = {Severin, Henry H. P.}
}
@article {1620,
	title = {Field observations on the beet leafhopper, Eutettix tenellus, in California},
	journal = {Hilgardia},
	volume = {7},
	number = {8},
	year = {1933},
	note = {Pipunculidae relevant stuff on page 341-342: eg. "In 1913 about 3.2 percent and in 1914 about 33.6 percent of the beet leafhoppers collected in the beet fields were found to be parasitized by Pipunculus vagabundus, P. industrius, and Gonatopus contortulus."},
	pages = {281-360},
	keywords = {beet leafhopper, California, Eutettix tenella, field observations, Pipunculidae},
	author = {Severin, Henry H. P.}
}
