Reported Resistance Case(s)

Species: psychoda alternata

Order	Family	Common Name(s)	Group	Host
diptera	psycodidae	trickling filter fly	MED

Active Ingredient: DDT

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: OCL	CAS #: 50293	Shaugnessy Code: 29201

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G31	1950	Field Evolved Resistance	USA-- Illinois	Bruce, W. N. (1950). Current report on housefly resistance to insecticides.. Pest Control, 18 9-10.

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