Reported Resistance Case(s)

Species: sphenophorus parvulus

Order	Family	Common Name(s)	Group	Host
coleoptera	curculionidae	bluegrass billbug	AG	bluegrass

Active Ingredient: dieldrin

MOA: GABA-gated chloride channel antagonists, Cyclodiene organochlorines
Group: CYCLO	CAS #: 60-57-1	Shaugnessy Code: 45001

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G3396	1978	Field Evolved Resistance	USA-- Ohio	Niemczyk, H. D. and Frost, C. (1978). Insecticide resistance found in Ohio billbugs.. Ohio Report, 63 22-23.

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