Reported Resistance Case(s)

Species: leptinotarsa decemlineata

Order	Family	Common Name(s)	Group	Host
coleoptera	chrysomelidae	colorado potato beetle	AG	eggplant, pepper, potato, tomato

Active Ingredient: Lambda-cyhalothrin

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: PYRI	CAS #:	Shaugnessy Code:

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G23698	2025	Field Evolved Resistance	Canada-- Quebec	Élisabeth Ménard, Gi-Mick Wu, and Célia Bordier. (2025). Insecticide resistance of Colorado potato beetle (Leptinotarsa decemlineata) in the province of Québec.. Canadian Journal of Plant Science.

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