Reported Resistance Case(s)

Species: Bradysia odoriphaga

Order	Family	Common Name(s)	Group	Host
diptera	sciaridae		AG	chive

Active Ingredient: chlorfenapyr

MOA: Uncoupler of oxidative phosphorylation via disruption of proton gradient, Chlorfenapyr, DNOC, Sulfluramid
Group: PYZ	CAS #: 122453-73-0	Shaugnessy Code: 129093

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G20886	2020	Lab selected*	China-- Shandong	Ullah, F., Gul, H., Desneux, N., Said, F., Gao, X., and Song, D. (2020). Fitness costs in chlorfenapyr-resistant populations of the chive maggot, Bradysia odoriphaga. Ecotoxicology, 29 407-416.
G21139	2020	Lab selected after field-evolved resistance**	China-- Shandong	F. Ullah, H. Gul, N. Desneux, F. Said, X. Gao and D. Song. (2020). Fitness costs in chlorfenapyr-resistant populations of the chive maggot, Bradysia odoriphaga. Ecotoxicology, 29 407-416.

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