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: 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
G10942	2001	Lab selected after field-evolved resistance**	Australia	S. Lee, E. Lees. (2001). Biochemical Mechanisms of Resistance in Strains of Oryzaaephilus surinamensis (Coleoptera: Silvanidae) Resistanct to Malathion and Chlorpyrifos-Methyl . Journal of Economic Entomology, 94 706-713.
G11098	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.
G4144	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.
G4071	1983	Field Evolved Resistance	New Caledonia	Brun, L. O. and Attia, F. I. (1983). Resistance to lindane, malathion, and fenitrothion on coleopterous pests of stored products in New Caledonia.. Proc. Hawaiian Entomol. Sco., 24 211-15.
G3502	1979	Field Evolved Resistance	China	Champ 1979. (1979).
G2823	1976	Field Evolved Resistance	India	Champ, B. R. and Dyte, C. E. (1976). FAO Global Survey of Pesticide Susceptibility of Stored Grain Pests, FAO Plant Production Prot.. Ser. No. 5.
G2192	1974	Field Evolved Resistance	Cyprus	Zyngas 1974. (1974).
G2193	1969	Field Evolved Resistance	Australia-- Western Australia	(1969). Report of the Fourth Session of the FAO Working Party of Experts on Resistance of Pests to Pesticides.. FAO, Rome 1968.
G2194	1969	Field Evolved Resistance	Australia-- Queensland	(1969). Report of the Fourth Session of the FAO Working Party of Experts on Resistance of Pests to Pesticides.. FAO, Rome 1968.
G1605	1970	Field Evolved Resistance	Australia-- Victoria	Champ, B. R. and Campbell-Brown, M. J. (1970). Insecticide resistance in Australian Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae).. II. Malathion resistance in eastern Australia. J. Stored Prod. Res., 6 111-31.

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