Reported Resistance Case(s)

Species: daphnia magna

Order	Family	Common Name(s)	Group	Host
cladocera	daphniidae	water flea	OTHER

Active Ingredient: fenitrothion

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 122145	Shaugnessy Code: 105901

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G8208	2007	Lab selected after field-evolved resistance**	Spain-- Catalonia	Damasio, Joana, Guilhermio, Lucia, Soares, Amadeu, Riva, M. Carmen, and Barata Carlos. (2007). Biochemical mechanisms of resistance in Daphnia magne exposed to the insecticide fenitrothion. Chemosphere, 70 74-82.
G8209	2007	Lab selected after field-evolved resistance**	Spain-- Catalonia	Damasio, Joana, Guilhermio, Lucia, Soares, Amadeu, Riva, M. Carmen, and Barata Carlos. (2007). Biochemical mechanisms of resistance in Daphnia magne exposed to the insecticide fenitrothion. Chemosphere, 70 74-82.

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