Authors(s)	Trenchev, G. and A. Pavlov
Year	1981
Title	Hemisarcoptes malus Shimer - a predatory mite on Lepidosaphes ulmi L. (In Bulgarian.) Gradinarska I Lozarska Nauka 18: 35-37.

• Diaspidiotus pyri
• Epidiaspis leperii
• Lepidosaphes ulmi