Reported Resistance Case(s)

Species: simulium venustum

Order	Family	Common Name(s)	Group	Host
diptera	simuliidae	black 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
G1691	1970	Field Evolved Resistance	USA-- New York	Jamnback, H. and West, A. S. (1970). Decreased susceptibility of blackfly larvae to p,p'DDT in New York State and eastern Canada.. J. Econ. Entomol., 63 218-21.
G1227	1967	Field Evolved Resistance	Canada-- Quebec	West, A. S. (1967). The susceptibility of black flies to DDT including field residues.. WHO Inf. Circ. Insecticide Resistance, 61 14.

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