Reported Resistance Case(s)

Species: chaoborus astictopus

Order	Family	Common Name(s)	Group	Host
diptera	chaoboridae	clear lake gnat	PAR

Active Ingredient: parathion-methyl

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 298000	Shaugnessy Code: 53501

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G3406	1978	Field Evolved Resistance	USA-- California	Apperson, C. S., Yows, D. and Madison, C. (1978). Resistance to methyl parathion in Chaoborus astictopus from Clear Lake, California.. J. Econ. Entomol., 71 772-73.

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