Reported Resistance Case(s)

Species: quadraspidotus perniciosus

Order	Family	Common Name(s)	Group	Host
homoptera	diaspididae	san jose scale	AG	apple, plum, pear, nectarine

Active Ingredient: lime sulfur

MOA: Unknown Mode of Action (general), Undetermined MOA
Group: INORG	CAS #: 1344-81-6	Shaugnessy Code: 76702

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G930	1965	Field Evolved Resistance	Australia-- Western Australia	Jenkins, C.F.H. (1965). In: FAO 1967.
G4	1923	Field Evolved Resistance	USA-- Illinois	Flint, W. P. (1923). Shall we change our recommendations for San Jose scale control? J.. Econ. Entomol., 16 209-15.
G1	1914	Field Evolved Resistance	USA-- Washington	Melander, A. L. (1914). Can insects become resistant to sprays? J.. Econ. Entomol., 7 167-73.

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