Reported Resistance Case(s)

Species: sitophilus granarius

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

Active Ingredient: methyl bromide

MOA: Compounds of unknown or non-specific mode of action (fumigants), Methyl bromide and other alkyl halides
Group: FUM	CAS #: 74839	Shaugnessy Code: 53201

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G1977	1972	Field Evolved Resistance	Canada-- Ontario	Ellis, C. R. (1972). Susceptibility of two strains of Sitophilus granarius to 1, 2-dibromoethane.. I. Effect of weight-dependent respirtation and fumigant uptake on strain susceptibility. J. Econ. Entomol., 65 42-47.

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