Reported Resistance Case(s)

Species: pediculus humanus humanus

Order	Family	Common Name(s)	Group	Host
phthiraptera	pediculidae	human body louse	MED	humans

Active Ingredient: malathion

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 121755	Shaugnessy Code: 57701

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G4762	1986	Field Evolved Resistance	Uganda	WHO 1986. (1986).
G4763	1986	Field Evolved Resistance	Iran	WHO 1986. (1986).
G4766	1986	Field Evolved Resistance	Ethiopia	WHO 1986. (1986).
G3873	1980	Field Evolved Resistance	Egypt	WHO 1980. (1980).
G2151	1973	Field Evolved Resistance	Burundi	Cole, M. M., Clark, P. H., Washington, F., Ellerbe, W. and Van Natta, D. L. (1973). Resistance to malathion in a strain of body lice from Burundi.. J. Econ. Entomol., 66 118-19.
G1565	1969	Field Evolved Resistance	USA-- Florida	Cole, M.M., Clark, P.H., Weidhass, D.E. (1969). Failure of laboratory colonies of body lice to develop resistance to malathion.. J. Econ. Entomol., 62 568-69.

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