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: 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
G11100	2000	Lab selected after field-evolved resistance**	Australia-- New South Wales-- Sydney	Lee, S., Lees, E.M., Campbell, B.C. (2000). Purification and Characterization of an Esterase Conferring Resistance to Fenitrothion in Oryzaephilus surinamensis (L.) (Insecta, Coleoptera, Silvanidae). Journal of Agricultural and Food Chemistry, 48 4991-4996.
G11113	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.
G5457	1993	Unspecified	Australia	Collins, P.J., T.M. lambkin, B.W. Bridgeman, and C. Pulverenti. (1993). Resistance to Grain-Protectant Insecticides in Coleopterous Pests of Stored Cereals in Queensland, Australia. Journal of Economic Entomology, 86(2) 239-245.
G5058	1989	Field Evolved Resistance	USA-- Minnesota	Subramanyam, B.H., P.K. Harein, and L.K. Cutkomp. (1989). Organophosphate Resistance in Adults of Red flour beetle (Coleoptera: Tenebrionidae) and Sawtoothed Grain Beetle (Coleptera: Cucujidae) Infesting Barley Stored on Farms in Minnesota. Journal of Economic Entomology, 82(4) 989-995.
G4269	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.

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