Reported Resistance Case(s)

Species: rhyzopertha dominica

Order	Family	Common Name(s)	Group	Host
coleoptera	bostrichdae	lesser grain borer	AG	stored grain, rice, sorghum

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
G5746	1996	Unspecified	USA-- Kansas	Guedea, R.N.C., B.A. Dover, and S. Kambhampati. (1996). Resistance to Chlorpyrifos-Methyl, Pirimiphos-Methyl, and Malathion in Brazilian and U.S. Populations of Rhyzopertha dominica (Coleoptera: Bostrichidae). Journal of Economic Entomology, 89(1) 27-32.
G5747	1996	Unspecified	Brazil	Guedea, R.N.C., B.A. Dover, and S. Kambhampati. (1996). Resistance to Chlorpyrifos-Methyl, Pirimiphos-Methyl, and Malathion in Brazilian and U.S. Populations of Rhyzopertha dominica (Coleoptera: Bostrichidae). Journal of Economic Entomology, 89(1) 27-32.
G5233	1990	Field Evolved Resistance	USA-- Oklahoma	Zettler, J.L., and G.W. Cuperus. (1990). Pesticide Resistance in Tribolium castaneum (coleoptera: Tenebrionidae) and Rhyzopertha dominica (Coleoptera: Bostrichidae) in Wheat. Journal of Economic Entomology, 83(5) 1677-1681.
G2589	1974	Field Evolved Resistance	Australia-- Queensland	Anon. 1974e. (1974).

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