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 Cry1Ab

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

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G20858	2020	Field Evolved Resistance	Brazil-- São Desidério-- Bahia	Boaventura D, Buer B, Hamaekers N, Maiwald F and Nauen R. (2020). Toxicological and molecular profiling of insecticide resistance in a Brazilian strain of fall armyworm resistant to Bt Cry1 proteins. Pest Management Science.
G19730	2014	Lab selected after field-evolved resistance**	Puerto Rico	Jakka, S. R. K., Knight, V. R., Jurat-Fuentes, J. L. (2014). Spodoptera frugiperda (J. E. Smith) with field-evolved resistance to Bt maize are susceptible to Bt pesticides. Journal of Invertebrate Pathology, 122 52-54.
G19381	2016	Field Evolved Resistance	Brazil-- Goias-- Montividiu	Omoto, Celso, Bernardi, Oderlei, Salmeron, Eloisa, Sorgatto, R., Dourado, P., Crivellari, A., Carvalho, R., Willse, A., Martinelli, S., and Head, G. (2016). Field-evolved resistance to Cry1Ab maize by Spodoptera frugiperda in Brazil. Pest Management Science 1727-1736.

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