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: parathion

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 56382	Shaugnessy Code: 57401

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G2727	1975	Field Evolved Resistance	Netherlands	Overmeer, W.P.J. and Van Zon, A. Q. (1975). The stability of acaricide resistance in spider mite (Tetranychus urticae) populations from rosehouses.. Entomol. Exp. Appl., 18 68-74.
G2346	1974	Field Evolved Resistance	United Kingdom	Cranham, J. E. (1974). Resistance to organophosphates in red spider mite, Tetranychus urticae, from English hop gardens.. Ann. Appl. Biol., 78 99-111.
G2345	1974	Field Evolved Resistance	Sweden	Anon. 1974c. (1974).
G2344	1974	Field Evolved Resistance	USA-- North Carolina	Rock, G.C. (1974). Communication to FAO.
G2343	1974	Field Evolved Resistance	New Zealand	Ong, S. H. and Ballantyne, G. H. (1974). Acaricidal resistance and gentic affinities of some two spotted spider mite populations in New Zealand.. N. Z. J. Zool., 1 523-30.
G2342	1974	Field Evolved Resistance	Bulgaria	Balevski, A. (1974). Communication to FAO.
G2341	1974	Field Evolved Resistance	Austria	Bohm 1974. (1974).
G1994	1972	Field Evolved Resistance	USSR	Kornilov, V. G. (1972). Control methods for preventing the development of spider mite resistance incovered ground (in Russian).. Zashch. Rast., 35 209-15.
G1525	1969	Field Evolved Resistance	Korea	Lee, S.C. (1969). Resistance to parathion and kelthane of mites in Korea.. Korean Soc. Plant. Prot., 12 91-96.
G1524	1969	Field Evolved Resistance	Canada-- Ontario	Herne, D. H. C. and Brown, A. W. A. (1969). Inheritance and biochemistry of OP-resistance in a New York strain of the two-spotted spider mite.. J. Econ. Entomol., 62 205-09.
G1523	1969	Field Evolved Resistance	Finland	(1969). Report of the Fourth Session of the FAO Working Party of Experts on Resistance of Pests to Pesticides.. FAO, Rome 1968.
G1522	1969	Field Evolved Resistance	Brazil	Mello, E. J. R. (1969). Estudo da resistencia do acaro do algodeiro Tetanychus urtiecae aos defensivos emperedgados no seu control.. Biologico (Brazil), 35 125-27.
G1366	1968	Field Evolved Resistance	South Africa	Myburgh, G. (1968). In: FAO 1969.
G1365	1968	Field Evolved Resistance	Denmark	Berendt 1968. (1968).
G1197	1967	Field Evolved Resistance	USA-- Pennsylvania	(1967). Report of the First Session of the FAO Working Party of Experts on Resistance of Pests to Pesticides.. FAO, Rome 1965.
G1196	1967	Field Evolved Resistance	USA-- Oregon	Westigard, P. H., Lombard, P. and Berry, D. (1967). Bionomics and control of two-spotted spider mite on pear in southern Oregon.. Oreg. State Univ. Agric. Exp. Stn. Tech. Bull. 101, 32 pp..
G1195	1967	Field Evolved Resistance	USA-- New Jersey	(1967). Report of the First Session of the FAO Working Party of Experts on Resistance of Pests to Pesticides.. FAO, Rome 1965.
G1194	1967	Field Evolved Resistance	USA-- Indiana	(1967). Report of the First Session of the FAO Working Party of Experts on Resistance of Pests to Pesticides.. FAO, Rome 1965.
G1193	1967	Field Evolved Resistance	USA-- Connecticut	(1967). Report of the First Session of the FAO Working Party of Experts on Resistance of Pests to Pesticides.. FAO, Rome 1965.
G689	1965	Field Evolved Resistance	Australia-- Tasmania	Miller 1965. (1965).
G688	1965	Field Evolved Resistance	Poland	Lakocy, A. (1965). In: FAO 1967.
G687	1965	Field Evolved Resistance	Norway	Somme 1965. (1965).
G686	1965	Field Evolved Resistance	Australia-- New South Wales	Hely, P.C. (1965). In: FAO 1967.
G685	1965	Field Evolved Resistance	Canada	Goodwin-Wilson 1965. (1965).
G268	1961	Field Evolved Resistance	Israel	Cwilich, R. and Ascher, K. R. S. (1961). Organophosphorus resistance of spider mites on sugar beets.. Israel J. Agric. Res., 11 135-36.

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