Reported Resistance Case(s)

Species: laodelphax striatellus

Order	Family	Common Name(s)	Group	Host
homoptera	delphacidae	small brown planthopper	AG	rice

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
G2153	1973	Field Evolved Resistance	South Korea	Choi, S. J. and Song, Y. H. (1973). Resistance to malathion and Sevin of the smaller brown plant hopper, Laodelphax striatellus Fallen in Korea.. Annu. Rep. Inst. Agric. Sci., Suweon, Korea, pp. 157-59.
G889	1965	Field Evolved Resistance	Japan	Kimura, Y. (1965). Resistance to malathion in the smaller brown planthopper, Laodelphax striatellus Fallen.. Jpn. J. Appl. Entomol. Zool., 9 251-58.

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