Reported Resistance Case(s)

Species: spodoptera exigua

Order	Family	Common Name(s)	Group	Host
lepidoptera	noctuidae	beet army worm, lesser army worm	AG	cotton, tomato, celery, lettuce, cabbage and alfalfa

Active Ingredient: Lambda-cyhalothrin

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: PYRI	CAS #:	Shaugnessy Code:

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G23737	2025	Field Evolved Resistance	China-- Shanghái -- Qinpu	Zuo, Y., Pei, Y., Li, Y., Wen, S., Ren, X., Li, L., Wu, Y., & Hu, Z. (2025). The synergism between metabolic and target-site resistance enhances the intensity of resistance to pyrethroids in Spodoptera exigua.. Insect biochemistry and molecular biology.

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