Reported Resistance Case(s)

Species: sitophilus oryzae

Order	Family	Common Name(s)	Group	Host
coleoptera	curculionidae	lesser rice weevil	AG	corn, rice, sorghum, stored grain

Active Ingredient: chlorpyrifos-methyl

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 5598130	Shaugnessy Code: 59102

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G22812	2022	Field Evolved Resistance	Pakistan-- Punjab-- Faisalabad	Khan, T., Haider, M. & Khan, H. (2022). Resistance to grain protectants and synergism in Pakistani strains of Sitophilus oryzae (Coleoptera: Curculionidae). Sci Rep, 12.
G22816	2022	Field Evolved Resistance	Pakistan-- Punjab-- Gujranwala	Khan, T., Haider, M. & Khan, H. (2022). Resistance to grain protectants and synergism in Pakistani strains of Sitophilus oryzae (Coleoptera: Curculionidae). Sci Rep, 12.
G22819	2022	Field Evolved Resistance	Pakistan-- Punjab-- Dera Ghazi Khan	Khan, T., Haider, M. & Khan, H. (2022). Resistance to grain protectants and synergism in Pakistani strains of Sitophilus oryzae (Coleoptera: Curculionidae). Sci Rep, 12.
G22822	2022	Field Evolved Resistance	Pakistan-- Punjab-- Multan	Khan, T., Haider, M. & Khan, H. (2022). Resistance to grain protectants and synergism in Pakistani strains of Sitophilus oryzae (Coleoptera: Curculionidae). Sci Rep, 12.
G22825	2022	Field Evolved Resistance	Pakistan-- Punjab-- Bahawalpur	Khan, T., Haider, M. & Khan, H. (2022). Resistance to grain protectants and synergism in Pakistani strains of Sitophilus oryzae (Coleoptera: Curculionidae). Sci Rep, 12.

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