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: deltamethrin

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: PYR	CAS #: 52918635	Shaugnessy Code: 97805

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G21128	2021	Lab selected after field-evolved resistance**	India-- Karimnagar	Singh SK, Jagadeesan R, Thangaraj SR, Selvapandian U, Nayak MK and Subbarayalu M. (2021). Phenotypic and molecular analyses in rice weevil, Sitophilus oryzae (Linneaus) (Coleoptera: Curculionidae): identification of a super kdr mutation, T929I, conferring resistance to deltamethrin. Pest Management Science, 7 3289-3299.

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