Reported Resistance Case(s)

Species: phthorimaea operculella

Order	Family	Common Name(s)	Group	Host
lepidoptera	gelechiidae	potato tuberworm	AG	potato, tobacco, tomato

Active Ingredient: DDT

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: OCL	CAS #: 50293	Shaugnessy Code: 29201

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G1437	1968	Field Evolved Resistance	Zambia	Bryden, J. W. (1968). In: FAO 1969.
G1457	1968	Field Evolved Resistance	USA-- Florida	Tappan 1968. (1968).
G890	1965	Field Evolved Resistance	Australia-- Queensland	Champ, B. R., and Shephard, R. C. H. (1965). Insecticide resistance in Phthorimaea operculella (Zell.) with particular reference to DDT.. Queensland J. Agri. Anim. Sci., 22 69-81.
G891	1965	Field Evolved Resistance	South Africa	Milne, D.L. (1965). In: FAO 1967.
G892	1965	Field Evolved Resistance	Australia-- Victoria	Champ, B. R., and Shephard, R. C. H. (1965). Insecticide resistance in Phthorimaea operculella (Zell.) with particular reference to DDT.. Queensland J. Agri. Anim. Sci., 22 69-81.
G893	1965	Field Evolved Resistance	Zimbabwe	Rose, D.J.W. (1965). In: FAO 1967.
G940	1965	Field Evolved Resistance	Australia-- New South Wales	Hely, P.C. (1965). In: FAO 1967.

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