Reported Resistance Case(s)

Species: leptinotarsa decemlineata

Order	Family	Common Name(s)	Group	Host
coleoptera	chrysomelidae	colorado potato beetle	AG	eggplant, pepper, potato, tomato

Active Ingredient: esfenvalerate

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: PYR	CAS #: 0	Shaugnessy Code: 0

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G15632	2000	Field Evolved Resistance	USA-- Maryland-- Salisbury	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15645	2000	Field Evolved Resistance	USA-- New York-- Calverton	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15644	2000	Field Evolved Resistance	USA-- New York-- Riverhead	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15643	2000	Field Evolved Resistance	USA-- Virginia-- New Church	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15642	2000	Field Evolved Resistance	USA-- Maryland-- Stockton	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15641	2000	Field Evolved Resistance	USA-- New York-- Rush	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15640	2000	Field Evolved Resistance	USA-- Virginia-- Horntown	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15639	2000	Field Evolved Resistance	USA-- Virginia-- Horntown	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15638	2000	Field Evolved Resistance	USA-- Virginia-- Horntown	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15637	2000	Field Evolved Resistance	USA-- Maryland-- Marlboro	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15636	2000	Field Evolved Resistance	USA-- Maine-- Bridgewater	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15635	2000	Field Evolved Resistance	USA-- New Jersey	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15634	2000	Field Evolved Resistance	USA-- New Jersey	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15633	2000	Field Evolved Resistance	USA-- New York-- Port Byron	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15631	2000	Field Evolved Resistance	USA-- Maryland-- Queenstown	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15630	2000	Field Evolved Resistance	USA-- Maine-- Easton	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15629	2000	Field Evolved Resistance	USA-- Pennsylvania-- Rock Spring	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15628	2000	Field Evolved Resistance	USA-- Delaware-- Leipsic	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15627	2000	Field Evolved Resistance	USA-- Delaware-- Felton	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15626	2000	Field Evolved Resistance	USA-- Delaware-- Little Creek	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15625	2000	Field Evolved Resistance	USA-- Maryland-- Pocomoke	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15624	2000	Field Evolved Resistance	USA-- Virginia-- Horntown	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15623	2000	Field Evolved Resistance	USA-- Delaware-- Rising Sun	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15622	2000	Field Evolved Resistance	USA-- Delaware-- Middleton	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15621	2000	Field Evolved Resistance	USA-- Maine-- Mapleton	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G15620	2000	Field Evolved Resistance	USA-- Virginia-- Cape Charles	Olson, E. R., Dively, G. P., and Nelson, J. O. (2000). Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. Journal of Economic Entomology, 93 447-458.
G5509	1994	Unspecified	USA	Huang, H., Z. Smilowitz, M.C. Saunders, and R. Weisz. (1994). Field Evaluation of Insecticide Application Strategies on Development of Insecticide Resistance by Colorado Potato Beetle (Coleoptera: Chrysomelidae). Journal of Economic Entomology, 87(4) 847-857.
G5406	1992	Unspecified	USA	Dively, G.P., F.W. Ellis Jr., and J.J. Linduska. (1992). Baseline Levels and factores Associated with Insecticide Resistance of Colorado Potato Beetle Populations in Maryland. Resistant Pest Management Newsletter, 4 11-14.

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