Reported Resistance Case(s)

Species: gnathocerus cornutus

Order	Family	Common Name(s)	Group	Host
coleoptera	tenebrionidae	broadhorned flour beetle	AG	grain 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
G1625	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.