Reported Resistance Case(s)

Species: amblyseius womersleyi

Order	Family	Common Name(s)	Group	Host
acari	phytoseiidae	predaceous mite	MED

Active Ingredient: methidathion

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 950378	Shaugnessy Code: 100301

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G10246	2006	Field Evolved Resistance	Japan-- Kanaya	Sato, M.E., Tanaka, T., Miyata, T. (2006). Monooxygenase activity in methidathion resistant and susceptible populations of Amblyseius womersleyi. Experimental Applied Acarology, 39 13-24.
G10247	2006	Field Evolved Resistance	Japan-- Kanaya	Sato, M.E., Tanaka, T., Miyata, T. (2006). Monooxygenase activity in methidathion resistant and susceptible populations of Amblyseius womersleyi. Experimental Applied Acarology, 39 13-24.
G7557	2000	Lab selected after field-evolved resistance**	Japan-- Shizuoka-- Kanaya	Sato, Mario Eidi, Miyata, Tadashi, Kawai, Akira, and Nakano, Octavio. (2000). Selection for resistance and susceptibility to methidathion and cross resistance in Amblyseius womersleyi Schicha (Acari: Phytoseiidae). Applied Entomology and Zoology, 35(3) 393-399.
G10248	2006	Field Evolved Resistance	Japan-- Kanaya	Sato, M.E., Tanaka, T., Miyata, T. (2006). Monooxygenase activity in methidathion resistant and susceptible populations of Amblyseius womersleyi. Experimental Applied Acarology, 39 13-24.
G10249	2006	Field Evolved Resistance	Japan-- Kanaya	Sato, M.E., Tanaka, T., Miyata, T. (2006). Monooxygenase activity in methidathion resistant and susceptible populations of Amblyseius womersleyi. Experimental Applied Acarology, 39 13-24.
G10250	2006	Field Evolved Resistance	Japan-- Kanaya	Sato, M.E., Tanaka, T., Miyata, T. (2006). Monooxygenase activity in methidathion resistant and susceptible populations of Amblyseius womersleyi. Experimental Applied Acarology, 39 13-24.
G11747	2001	Lab selected after field-evolved resistance**	Japan-- Kanaya-- Shizuoka	Sato, M.E., Miyata, T., Kawai, A., Nakano, O. (2001). Methidathion Resistance Mechanisms in Amblyseius womersleyi. Pesticide Biochemistry and Physiology, 69 1-12.
G11748	2001	Lab selected after field-evolved resistance**	Japan-- Kanaya-- Shizuoka	Sato, M.E., Miyata, T., Kawai, A., Nakano, O. (2001). Methidathion Resistance Mechanisms in Amblyseius womersleyi. Pesticide Biochemistry and Physiology, 69 1-12.

*The population was created solely by selection and/or genetic manipulation.
**The population was selected further in the laboratory after collection.