Reported Resistance Case(s)

Species: spodoptera frugiperda

Order	Family	Common Name(s)	Group	Host
lepidoptera	noctuidae	fall armyworm	AG	cotton, grains, grasses, sugarcane

Active Ingredient: Bacillus thuringiensis Cry2Ab2

MOA: Microbial disruptors of insect midgut membranes (includes transgenic crops), Bacillus thuringiensis (variety unstated)
Group: BAC	CAS #:	Shaugnessy Code: 0

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G19824	2017	Lab selected after field-evolved resistance**	USA-- Georgia-- Tift	Yang, F., Kerns, D. L., Head, G. P., Price, P. and Huang, F. (2017). Cross-resistance to purified Bt proteins, Bt corn and Bt cotton in a Cry2Ab2-corn resistant strain of Spodoptera frugiperda. Pest Management Science, 73 2495-2503.
G19738	2016	Lab selected after field-evolved resistance**	USA-- Georgia-- Tift	Niu, Y., Qureshi, J. A., Ni, X., Head, G. P., Price, P. A., Meagher Jr., R. L., Kerns, D., Levy, R., Yang, X. and Huang, F. (2016). F2 screen for resistance to Bacillus thuringiensis Cry2Ab2-maize in field populations of Spodoptera frugiperda (Lepidoptera: Noctuidae) from the United States. Journal of Invertebrate Pathology, 138 66-72.

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