Reported Resistance Case(s)

Species: sitophilus zeamais

Order	Family	Common Name(s)	Group	Host
coleoptera	curculionidae	maize weevil, rice weevil	AG	corn, rice, sorghum

Active Ingredient: phosphine

MOA: Mitochondrial complex IV electron transport inhibitors, Aluminium phosphide, cyanide, phosphine
Group: FUM	CAS #: 7803-51-2	Shaugnessy Code: 66500

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G9625	2009	Field Evolved Resistance	Brazil-- Goias-- Cristalina	Pimentel, M.A.G., Faroni, L.R.D\'A, Guedes, R.N.C., Sousa, A.H., Totola, M.R. (2009). Phosphine resistance in Brazilian populations of Sitophilus zeamis Motschulsky. Journal of Stored Products Research, 45 71-74.
G9626	2009	Field Evolved Resistance	Brazil-- Parana-- Guarapuava	Pimentel, M.A.G., Faroni, L.R.D\'A, Guedes, R.N.C., Sousa, A.H., Totola, M.R. (2009). Phosphine resistance in Brazilian populations of Sitophilus zeamis Motschulsky. Journal of Stored Products Research, 45 71-74.
G9627	2009	Field Evolved Resistance	Brazil-- Minas Gerais-- Machado	Pimentel, M.A.G., Faroni, L.R.D\'A, Guedes, R.N.C., Sousa, A.H., Totola, M.R. (2009). Phosphine resistance in Brazilian populations of Sitophilus zeamis Motschulsky. Journal of Stored Products Research, 45 71-74.
G9628	2009	Field Evolved Resistance	Brazil-- Minas Gerais-- Paracatu	Pimentel, M.A.G., Faroni, L.R.D\'A, Guedes, R.N.C., Sousa, A.H., Totola, M.R. (2009). Phosphine resistance in Brazilian populations of Sitophilus zeamis Motschulsky. Journal of Stored Products Research, 45 71-74.
G9629	2009	Field Evolved Resistance	Brazil-- Minas Gerais-- Unai I	Pimentel, M.A.G., Faroni, L.R.D\'A, Guedes, R.N.C., Sousa, A.H., Totola, M.R. (2009). Phosphine resistance in Brazilian populations of Sitophilus zeamis Motschulsky. Journal of Stored Products Research, 45 71-74.
G9630	2009	Field Evolved Resistance	Brazil-- Minas Gerais-- Unai II	Pimentel, M.A.G., Faroni, L.R.D\'A, Guedes, R.N.C., Sousa, A.H., Totola, M.R. (2009). Phosphine resistance in Brazilian populations of Sitophilus zeamis Motschulsky. Journal of Stored Products Research, 45 71-74.
G10192	2009	Field Evolved Resistance	Brazil-- Parana-- Guarapuava	Pimentel, M.A.G., Faroni, L.R.D\'A., Guedes, R.N.C., Sousa, A.H., Totola, M.R. (2009). Phosphine resistance in Brazilian populations of Sitophilus zeamis Motschulsky (Coleoptera: Curculionidae). Journal of Stored Products Research, 45 71-74.
G10193	2009	Field Evolved Resistance	Brazil-- Minas Gerais-- Machado	Pimentel, M.A.G., Faroni, L.R.D\'A., Guedes, R.N.C., Sousa, A.H., Totola, M.R. (2009). Phosphine resistance in Brazilian populations of Sitophilus zeamis Motschulsky (Coleoptera: Curculionidae). Journal of Stored Products Research, 45 71-74.
G10194	2009	Field Evolved Resistance	Brazil-- Minas Gerais-- Paracatu	Pimentel, M.A.G., Faroni, L.R.D\'A., Guedes, R.N.C., Sousa, A.H., Totola, M.R. (2009). Phosphine resistance in Brazilian populations of Sitophilus zeamis Motschulsky (Coleoptera: Curculionidae). Journal of Stored Products Research, 45 71-74.
G10195	2009	Field Evolved Resistance	Brazil-- Minas Gerais-- Unai	Pimentel, M.A.G., Faroni, L.R.D\'A., Guedes, R.N.C., Sousa, A.H., Totola, M.R. (2009). Phosphine resistance in Brazilian populations of Sitophilus zeamis Motschulsky (Coleoptera: Curculionidae). Journal of Stored Products Research, 45 71-74.

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