Reported Resistance Case(s)

Species: sitophilus granarius

Order	Family	Common Name(s)	Group	Host
coleoptera	curculionidae	granary weevil	AG	stored grain

Active Ingredient: malathion

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 121755	Shaugnessy Code: 57701

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G6398	2006	Unspecified	Yugoslavia-- Kikinda	Kljajic, P., Peric, I. (2006). Susceptibility to contact insecticides of granary weevil Sitophilus granarius (L.) (Coleoptera: Curculionidae) originating from different locations in the former Yugoslavia. Journal of Stored Products Research, 42 149-161.
G2837	1976	Field Evolved Resistance	United Kingdom	Dyte, C. E., Blackman, D. G., Cogan, P. M., Foster, R., and Peckover, J. (1976). Worldwide survey of resistance in grain pests.. Pest. Infest. Control., 1976 70-71.
G2223	1974	Field Evolved Resistance	Australia-- New South Wales	(1974). Recommended methods for the detection and measurement of resistance of agricultural pests to pesticides. Tentative method for adults of some major beetle pests of stored cereals with malathion or lindane.. FAO 1974. FAO Method No. 15. FAO Plant Prot. Bull., 22 127-37.
G2225	1974	Field Evolved Resistance	Australia-- Western Australia	(1974). Recommended methods for the detection and measurement of resistance of agricultural pests to pesticides. Tentative method for adults of some major beetle pests of stored cereals with malathion or lindane.. FAO 1974. FAO Method No. 15. FAO Plant Prot. Bull., 22 127-37.
G1326	1968	Field Evolved Resistance	Australia-- Victoria	Champ, B. R. (1968). A test method for detecting insecticide resistance in Sitophilus oryzae (L.) (Coleoptera: Curculionidae).. J. Stored Prod. Res., 4 175-78.

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