@article {5314,
	title = {Revision of the English Species of Red Spider (Genera Tetranychus and Oligonychus). },
	journal = {Proceedings of the Zoological Society of London},
	volume = {4},
	year = {1920},
	chapter = {49},
	url = {http://biostor.org/reference/99705},
	author = {Hirst, S}
}
@article {5290,
	title = {On some new or little-known species of Acari, mostly parasitic in habit},
	journal = {Proceedings of the Zoological Society of London},
	volume = {1-2},
	year = {1917},
	chapter = {357},
	url = {https://biodiversitylibrary.org/page/31551841},
	author = {Hirst, S}
}
