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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: 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
G5766 1996 Unspecified
Greece Tsagkarakou, A., M. Navajas, J. Lagnel, J. Gutierrez, and N. Pasteur. (1996). Genetic variability in teranychus urticae (Acari: Tetranychidae) from Greece : Insecticide resistance and Isozymes. Journal of Economic Entomology, 89(6) 1354-1358.
G4083 1983 Unspecified
France Brun, L. O., Edge, V. E. and Gutierrez, J. (1983). The occurrence of five Tetranychus spp.. (Acarine: Tetranychidae) in New Caledonia and their response to acaricides. Trop. Pest Management., 29 371-77.
G3514 1979 Unspecified
United Kingdom Muir, R. C. and Cranham, J. E. (1979). Resistance to pesticides in damson-hop aphid and red spider mite on English hops.. Proc. Br. Crop Prot. Conf. Pests Dis., 1 161-67.
G2335 1974 Unspecified
Poland Lakocy, A. (1974). Communication to FAO.
G2101 1973 Unspecified
Australia--
New South Wales
Unwin, B. (1973). Chemical resistance in populations of Tetranychus urticae (Koch) (Acarina: Tetranychidae) from apple orchards in New South Wales, Australia.. J. Aust. Entomol. Soc., 12 59-67.
G1361 1968 Unspecified
South Africa Myburgh, G. (1968). In: FAO 1969.
*The population was created solely by selection and/or genetic manipulation.
**The population was selected further in the laboratory after collection.