Reported Resistance Case(s)

Species: phthorimaea operculella

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

Active Ingredient: isobenzan

MOA: GABA-gated chloride channel antagonists, Cyclodiene organochlorines
Group: CYCLO	CAS #: 297-78-9	Shaugnessy Code: 58501

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G897	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.

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