Reported Resistance Case(s)

Species: hypera postica

Order	Family	Common Name(s)	Group	Host
coleoptera	curculionidae	alfalfa weevil	AG	alfalfa

Active Ingredient: cyhalothrin-lambda

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: PYR	CAS #: 91465086	Shaugnessy Code: 128897

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G22022	2022	Field Evolved Resistance	USA-- Arizona-- La Paz	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22034	2022	Field Evolved Resistance	USA-- California-- Riverside	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22033	2022	Field Evolved Resistance	USA-- California-- Riverside	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22021	2022	Field Evolved Resistance	USA-- Arizona-- La Paz	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22023	2022	Field Evolved Resistance	USA-- Arizona-- La Paz	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22043	2022	Field Evolved Resistance	USA-- Montana-- Big Horn	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22042	2022	Field Evolved Resistance	USA-- Montana-- Big Horn	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22041	2022	Field Evolved Resistance	USA-- Montana-- Big Horn	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22044	2022	Field Evolved Resistance	USA-- Montana-- Big Horn	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22048	2022	Field Evolved Resistance	USA-- Montana-- Broadwater	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22060	2022	Field Evolved Resistance	USA-- Wyoming-- Sheridan	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22051	2022	Field Evolved Resistance	USA-- Montana-- Madison	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22053	2022	Field Evolved Resistance	USA-- Montana-- Umatilla	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22054	2022	Field Evolved Resistance	USA-- Montana-- Umatilla	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22056	2022	Field Evolved Resistance	USA-- Washington-- Yakima	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22057	2022	Field Evolved Resistance	USA-- Wyoming-- Converse	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22058	2022	Field Evolved Resistance	USA-- Wyoming-- Converse	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22059	2022	Field Evolved Resistance	USA-- Wyoming-- Plate	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22038	2022	Field Evolved Resistance	USA-- Montana-- Big Horn	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22036	2022	Field Evolved Resistance	USA-- California-- Yolo	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22027	2022	Field Evolved Resistance	USA-- California-- Kings	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22035	2022	Field Evolved Resistance	USA-- California-- Yolo	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22018	2022	Field Evolved Resistance	USA-- Arizona-- La Paz	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22019	2022	Field Evolved Resistance	USA-- Arizona-- La Paz	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22020	2022	Field Evolved Resistance	USA-- Arizona-- La Paz	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22017	2022	Field Evolved Resistance	USA-- Arizona-- La Paz	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22024	2022	Field Evolved Resistance	USA-- Arizona-- Pinal	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22026	2022	Field Evolved Resistance	USA-- California-- Kings	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22052	2022	Field Evolved Resistance	USA-- Montana-- Ravalli	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22025	2022	Field Evolved Resistance	USA-- Arizona-- Yuma	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22055	2022	Field Evolved Resistance	USA-- Washington-- Klickitat	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22037	2022	Field Evolved Resistance	USA-- Montana-- Big Horn	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22049	2022	Field Evolved Resistance	USA-- Montana-- Gallatin	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22028	2022	Field Evolved Resistance	USA-- California-- Riverside	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22032	2022	Field Evolved Resistance	USA-- California-- Riverside	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22040	2022	Field Evolved Resistance	USA-- Montana-- Big Horn	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22031	2022	Field Evolved Resistance	USA-- California-- Riverside	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22030	2022	Field Evolved Resistance	USA-- California-- Riverside	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22029	2022	Field Evolved Resistance	USA-- California-- Riverside	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22039	2022	Field Evolved Resistance	USA-- Montana-- Big Horn	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22045	2022	Field Evolved Resistance	USA-- Montana-- Broadwater	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22046	2022	Field Evolved Resistance	USA-- Montana-- Broadwater	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22047	2022	Field Evolved Resistance	USA-- Montana-- Broadwater	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.
G22050	2022	Field Evolved Resistance	USA-- Montana-- Gallatin	Rodbell, E. A., Hendrick, M. L., Grettenberger, I. M., & Wanner, K. W. (2022). Alfalfa Weevil (Coleoptera: Curculionidae) Resistance to Lambda-cyhalothrin in the Western United States.. Journal of economic entomology 2029–2040.

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