Reported Resistance Case(s)

Species: Rhynchophorus ferruginous

Order	Family	Common Name(s)	Group	Host
coleoptera	curculionidae	Red Palm Weevil	AG

Active Ingredient: chlorpyrifos

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 2921882	Shaugnessy Code: 59101

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G20779	2021	Lab selected*	Pakistan-- Sindh-- Khaipur	Ahmed, R., and Freed, S. (2021). Biochemical resistance mechanisms against chlorpyrifos, imidacloprid and lambda-cyhalothrin in Rhynchophorus ferrugineus (Olivier) (Coleoptera: Curculionidae). Crop Protection, 143.
G21176	2021	Lab selected* Field Evolved Resistance	Pakistan-- Sindh-- Khairpur	Rizwan Ahmed, and Shoaib Freed. (2021). Biochemical Resistance Mechanisms Against Chlorpyrifos, Imidacloprid and Lambda-cyhalothrin In Rhynchophorus Ferrugineus (olivier) (coleoptera: Curculionidae).. Crop protection, 143.

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