Reported Resistance Case(s)

Species: tetranychus urticae

Order	Family	Common Name(s)	Group	Host
acari	tetranychidae	twospotted spider mite	AG	cotton, fruits, vegetables, walnut, ornamentals

Active Ingredient: bifenazate

MOA:	Neuroactive (unknown mode of action), Bifenazate
Group:	MISC CAS #: n/a Shaugnessy Code: n/a

Resistance Case(s)

Case Id	Year of Report	Location	Reference
	2008	Belgium -- Ghent -- BEL1	Van Nieuwenhuyse, P., Van Leeuwen, T., Khajehali, J., Vanholme, B., and Tirry, L. (2009). Mutations in the mitochondrial cytochrome b of Tetranychus urticae Koch (Acari: Tetranychidae) confer cross-resistance between bifenazate and acequinocyl. Pest Management Science, 65, 404-412.
	2007	Netherlands -- Nieuwveen -- HOL1	Van Nieuwenhuyse, P., Van Leeuwen, T., Khajehali, J., Vanholme, B., and Tirry, L. (2009). Mutations in the mitochondrial cytochrome b of Tetranychus urticae Koch (Acari: Tetranychidae) confer cross-resistance between bifenazate and acequinocyl. Pest Management Science, 65, 404-412.
	2007	Netherlands -- Hoek van Holland -- HOL2	Van Nieuwenhuyse, P., Van Leeuwen, T., Khajehali, J., Vanholme, B., and Tirry, L. (2009). Mutations in the mitochondrial cytochrome b of Tetranychus urticae Koch (Acari: Tetranychidae) confer cross-resistance between bifenazate and acequinocyl. Pest Management Science, 65, 404-412.
	2007	Germany	Van Nieuwenhuyse, P., Van Leeuwen, T., Khajehali, J., Vanholme, B., and Tirry, L. (2009). Mutations in the mitochondrial cytochrome b of Tetranychus urticae Koch (Acari: Tetranychidae) confer cross-resistance between bifenazate and acequinocyl. Pest Management Science, 65, 404-412.
	2007	Netherlands -- Hoek van Holland -- HOL1	Van Nieuwenhuyse, P., Van Leeuwen, T., Khajehali, J., Vanholme, B., and Tirry, L. (2009). Mutations in the mitochondrial cytochrome b of Tetranychus urticae Koch (Acari: Tetranychidae) confer cross-resistance between bifenazate and acequinocyl. Pest Management Science, 65, 404-412.
	2007	Netherlands -- Tuil -- HOL4	Van Nieuwenhuyse, P., Van Leeuwen, T., Khajehali, J., Vanholme, B., and Tirry, L. (2009). Mutations in the mitochondrial cytochrome b of Tetranychus urticae Koch (Acari: Tetranychidae) confer cross-resistance between bifenazate and acequinocyl. Pest Management Science, 65, 404-412.
	2005	Belgium -- Ghent University	Van Leeuwen, T., Pottelberge, S.V., Tirry, L. (2005). Comparative acaricide susceptibility and detoxifying enzyme activties in field-collected resistant and susceptible strains of Tetranychus urticae. Pest Management Science, 61, 499-507.