Reported Resistance Case(s)

Species: plutella xylostella

Order	Family	Common Name(s)	Group	Host
lepidoptera	plutellidae	diamond-back moth	AG	crucifers, nasturtium

Active Ingredient: methamidophos

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 10265926	Shaugnessy Code: 101201

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G10095	2008	Lab selected after field-evolved resistance**	Australia-- New South Wales-- Sydney	Eziah, V., Rose, H.A., Clift, A.D., Mansfield, S. (2008). Susceptibility of four field populations of the diamondback moth Plutella xylostella L. (Lepidoptera: Yponomeutidae) to six insecticides in the Sydney region of New South Wales, Australia. Australian Journal of Entomology, 47 355-360.
G10100	2008	Lab selected after field-evolved resistance**	Australia-- New South Wales-- Castlereagh	Eziah, V., Rose, H.A., Clift, A.D., Mansfield, S. (2008). Susceptibility of four field populations of the diamondback moth Plutella xylostella L. (Lepidoptera: Yponomeutidae) to six insecticides in the Sydney region of New South Wales, Australia. Australian Journal of Entomology, 47 355-360.
G10105	2008	Lab selected after field-evolved resistance**	Australia-- New South Wales-- Yaramundi	Eziah, V., Rose, H.A., Clift, A.D., Mansfield, S. (2008). Susceptibility of four field populations of the diamondback moth Plutella xylostella L. (Lepidoptera: Yponomeutidae) to six insecticides in the Sydney region of New South Wales, Australia. Australian Journal of Entomology, 47 355-360.
G10109	2008	Lab selected after field-evolved resistance**	Australia-- New South Wales-- Windsor	Eziah, V., Rose, H.A., Clift, A.D., Mansfield, S. (2008). Susceptibility of four field populations of the diamondback moth Plutella xylostella L. (Lepidoptera: Yponomeutidae) to six insecticides in the Sydney region of New South Wales, Australia. Australian Journal of Entomology, 47 355-360.
G6526	2000	Unspecified	Nicaragua-- Dept of Masaya-- La Concha	Perez, C.J., P. Alvarado, C. Narvaez, F. Miranda, L. Hernandez, H. Vanegas, A. Hruska, and A.M. Shelton. (2000). Assessment of Insecticide Resistance in Five Insect Pests Attacking Field and Vegetable Crops in Nicaragua. Journal of Economic Entomolgy, 93(6) 1779-1787.
G6527	2000	Unspecified	Nicaragua-- Dept. of Esteli-- Tisey	Perez, C.J., P. Alvarado, C. Narvaez, F. Miranda, L. Hernandez, H. Vanegas, A. Hruska, and A.M. Shelton. (2000). Assessment of Insecticide Resistance in Five Insect Pests Attacking Field and Vegetable Crops in Nicaragua. Journal of Economic Entomolgy, 93(6) 1779-1787.
G6528	2000	Unspecified	Nicaragua-- Dept. of Esteli	Perez, C.J., P. Alvarado, C. Narvaez, F. Miranda, L. Hernandez, H. Vanegas, A. Hruska, and A.M. Shelton. (2000). Assessment of Insecticide Resistance in Five Insect Pests Attacking Field and Vegetable Crops in Nicaragua. Journal of Economic Entomolgy, 93(6) 1779-1787.
G6529	2000	Unspecified	Nicaragua-- Dept. of Matagalpa-- Sebaco	Perez, C.J., P. Alvarado, C. Narvaez, F. Miranda, L. Hernandez, H. Vanegas, A. Hruska, and A.M. Shelton. (2000). Assessment of Insecticide Resistance in Five Insect Pests Attacking Field and Vegetable Crops in Nicaragua. Journal of Economic Entomolgy, 93(6) 1779-1787.
G6530	2000	Unspecified	Nicaragua-- Dept. of Jinotega-- Jinotega	Perez, C.J., P. Alvarado, C. Narvaez, F. Miranda, L. Hernandez, H. Vanegas, A. Hruska, and A.M. Shelton. (2000). Assessment of Insecticide Resistance in Five Insect Pests Attacking Field and Vegetable Crops in Nicaragua. Journal of Economic Entomolgy, 93(6) 1779-1787.
G5478	1993	Unspecified	USA	Shelton, A.M., J.A. Wyman, N.L. Cushing, K. Applebeck, T.J. Dennehy, S.E.R. Mahr, and S.D. Eigenbrode. (1993). Insecticide resistance of Diamondback Moth (Lepidoptera: Plutellidae) in North America. Journal of Economic Entomology, 86(1) 11-19.
G5422	1992	Unspecified	USA	Yu, S.J., and S.N. Nguyen. (1992). Detection and Biochemical Characterization of Insecticide Resistance in the Diamondback Moth. Pesticide Biochemistry and Physiology, 44 74-81.
G5359	1999	Unspecified	Australia-- South Australia-- Adelaide Plains	Baker, G.J., and J. Kovaliski. (1999). Detection of insecticide resistance in Plutella xylostella (L.) (Ledpidoptera: Plutellidae) populations in South Australian crucifer crops.. Australian Journal of Entomology, 38:132- 38:132-.
G5189	1990	Field Evolved Resistance	USA	Magaro, J.J., and J.V. Edelson. (1990). Diamondback Moth (Lepidoptera: Plutellidae) in South Texas: A technique for resistance monitoring in the field. Journal of Economic Entomology, 83(4) 1201-1206.
G4755	1986	Field Evolved Resistance	Taiwan	Cheng, E. Y., Kao, C. H., Lin, D. F. and Tsai, T. C. (1986). Insecticide resistance study in Plutella xylostella (L.): the specificity of oxidative detoxication mechanism in larval stage.. J. Agric. Res. China., 35 375-386.
G3467	1978	Field Evolved Resistance	Malaysia	Sudderuddin, K. I. And Kok, P.-F. (1978). Insecticide resistance in Plutella xylsotella collected from the Cameron Highlands of Malaysia.. FAO Plant Prot. Bull., 26 53-57.

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