Reported Resistance Case(s)

Species: Varroa destructor

Order	Family	Common Name(s)	Group	Host
acari	varroidae	Honey bee parasite mite	AG	Honey Bees

Active Ingredient: coumaphos

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 56724	Shaugnessy Code: 36501

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G20340	2009	Field Evolved Resistance	Argentina-- Entre Ríos	Maggi, M.D., Ruffinengo S. R., Damiani, N., Sardella, N. H., and, Eguaras M. J. (2009). First detection of Varroa destructor resistance to coumaphos in Argentina. Experimental and Applied Acarology, 47 317–320.

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