Reported Resistance Case(s)

Species: oryzaephilus surinamensis

Order	Family	Common Name(s)	Group	Host
coleoptera	cucujidae	saw-toothed grain beetle	AG	stored products

Active Ingredient: pirimiphos-methyl

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 29232-93-7	Shaugnessy Code: 108102

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G11112	1998	Lab selected after field-evolved resistance**	England-- Southwest-- Gloucestershire	Conyers, C.M., MacNicoll, A.D., Price, N.R. (1998). Purification and characterisation of an esterase involved in resistance to organophosphorus insecticides in the saw-toothed grain beetle, Oryzaephilus surinamensis (Coleoptera: Silvanidae). Insect Biochemistry and Molecular Biology, 28 435-448.
G4270	1985	Field Evolved Resistance	Australia-- Queensland	Collins, P. J. (1985). Resistance to grain protectants in field populations of the sawtoothed grain beetle Oryzaephilus surinamesnsis in southern Queensland, Australia.. Aust. J. Exp. Agric., 25 683-86.
G4143	1984	Field Evolved Resistance	Australia-- New South Wales	Attia, F. I., and Frecker, T. (1984). Cross-resistance spectrum and synergism studies on organophosphorus-resistant strains of Oryzaephilus surinamensis (Coleoptera: Cucujidae) in Australia.. J. Econ. Entomol., 77 1367-70.

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