Reported Resistance Case(s)

Species: culex quinquefasciatus

Order	Family	Common Name(s)	Group	Host
diptera	culicidae	southern house mosquito	MED

Active Ingredient: deltamethrin

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: PYR	CAS #: 52918635	Shaugnessy Code: 97805

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G23502	2025	Lab selected after field-evolved resistance**	Thailand-- Pom Prap Sattru Phai-- Bangkok	Chamnanya S, Kiddela B, Saingamsook J, Nachaiwieng W, Lumjuan N, Somboon P, Yanola J. (2025). Overexpression of multiple cytochrome P450 genes with and without knockdown resistance mutations confers high resistance to deltamethrin in Culex quinquefasciatus. 14.
G23498	2025	Lab selected after field-evolved resistance**	Thailand-- Chiang Mai-- Muang	Chamnanya S, Kiddela B, Saingamsook J, Nachaiwieng W, Lumjuan N, Somboon P, Yanola J. (2025). Overexpression of multiple cytochrome P450 genes with and without knockdown resistance mutations confers high resistance to deltamethrin in Culex quinquefasciatus. . Infect Dis Poverty., 14.
G23497	2025	Field Evolved Resistance	Thailand-- Chiang Mai-- Muang	Chamnanya S, Kiddela B, Saingamsook J, Nachaiwieng W, Lumjuan N, Somboon P, Yanola J. (2025). Overexpression of multiple cytochrome P450 genes with and without knockdown resistance mutations confers high resistance to deltamethrin in Culex quinquefasciatus. . Infect Dis Poverty., 14.
G21430	2022	Field Evolved Resistance	USA-- California	Zhou, G., Li, Y., Jeang, B., Wang, X., Cummings, R. F., Zhong, D., and Yan, G. (2022). Emerging Mosquito Resistance to Piperonyl Butoxide-Synergized Pyrethroid Insecticide and Its Mechanism.. Journal of medical entomology, 59 638–647.
G21444	2022	Field Evolved Resistance	India	Rai, P., and Saha, D. (2022). Occurrence of L1014F and L1014S mutations in insecticide resistant Culex quinquefasciatus from filariasis endemic districts of West Bengal, India.. PLoS neglected tropical diseases.
G21445	2022	Field Evolved Resistance	India	Rai, P., and Saha, D. (2022). Occurrence of L1014F and L1014S mutations in insecticide resistant Culex quinquefasciatus from filariasis endemic districts of West Bengal, India.. PLoS neglected tropical diseases.
G21446	2022	Field Evolved Resistance	India	Rai, P., and Saha, D. (2022). Occurrence of L1014F and L1014S mutations in insecticide resistant Culex quinquefasciatus from filariasis endemic districts of West Bengal, India.. PLoS neglected tropical diseases.
G21447	2022	Field Evolved Resistance	India	Rai, P., and Saha, D. (2022). Occurrence of L1014F and L1014S mutations in insecticide resistant Culex quinquefasciatus from filariasis endemic districts of West Bengal, India.. PLoS neglected tropical diseases.
G21448	2022	Field Evolved Resistance	India	Rai, P., and Saha, D. (2022). Occurrence of L1014F and L1014S mutations in insecticide resistant Culex quinquefasciatus from filariasis endemic districts of West Bengal, India.. PLoS neglected tropical diseases.
G21449	2022	Field Evolved Resistance	India	Rai, P., and Saha, D. (2022). Occurrence of L1014F and L1014S mutations in insecticide resistant Culex quinquefasciatus from filariasis endemic districts of West Bengal, India.. PLoS neglected tropical diseases.
G22222	2022	Field Evolved Resistance	Benin-- Djougou	Yadouleton, A., Gado, D., Tchibozo, C., Hounkanrin, G., & Baba-Moussa, L. (2022). Insecticide resistance in Culex quinquefasciatus, a vector of lymphatic filariasis at Djougou, northwestern of Benin: Public health concern.. International Journal of Entomology Research, 7 128-131.
G22223	2022	Field Evolved Resistance	Benin-- Djougou	Yadouleton, A., Gado, D., Tchibozo, C., Hounkanrin, G., & Baba-Moussa, L. (2022). Insecticide resistance in Culex quinquefasciatus, a vector of lymphatic filariasis at Djougou, northwestern of Benin: Public health concern.. International Journal of Entomology Research, 7 128-131.
G22225	2022	Field Evolved Resistance	Benin-- Djougou	Yadouleton, A., Gado, D., Tchibozo, C., Hounkanrin, G., & Baba-Moussa, L. (2022). Insecticide resistance in Culex quinquefasciatus, a vector of lymphatic filariasis at Djougou, northwestern of Benin: Public health concern.. International Journal of Entomology Research, 7 128-131.
G22228	2022	Field Evolved Resistance	Benin-- Djougou	Yadouleton, A., Gado, D., Tchibozo, C., Hounkanrin, G., & Baba-Moussa, L. (2022). Insecticide resistance in Culex quinquefasciatus, a vector of lymphatic filariasis at Djougou, northwestern of Benin: Public health concern.. International Journal of Entomology Research, 7 128-131.
G22231	2022	Field Evolved Resistance	Benin-- Djougou	Yadouleton, A., Gado, D., Tchibozo, C., Hounkanrin, G., & Baba-Moussa, L. (2022). Insecticide resistance in Culex quinquefasciatus, a vector of lymphatic filariasis at Djougou, northwestern of Benin: Public health concern.. International Journal of Entomology Research, 7 128-131.
G16314	2014	Field Evolved Resistance	China	Zhao, M., Dong, Y., Ran, X., Guo, X., Xing, D., Zhang, Y., Yan, T., Zhu, X., Su, J., Zhang, H., Wang, G., Hou, W., Wu, Z., Li, C., Zhao, T. (2014). Sodium channel point mutations associated with pyrethroid resistance in Chinese strains of Culex pipiens quinquefasciatus (Diptera: Culicidae). Parasites & Vectors, 7.
G16312	2014	Field Evolved Resistance	China	Zhao, M., Dong, Y., Ran, X., Guo, X., Xing, D., Zhang, Y., Yan, T., Zhu, X., Su, J., Zhang, H., Wang, G., Hou, W., Wu, Z., Li, C., Zhao, T. (2014). Sodium channel point mutations associated with pyrethroid resistance in Chinese strains of Culex pipiens quinquefasciatus (Diptera: Culicidae). Parasites & Vectors, 7.
G16310	2014	Field Evolved Resistance	China	Zhao, M., Dong, Y., Ran, X., Guo, X., Xing, D., Zhang, Y., Yan, T., Zhu, X., Su, J., Zhang, H., Wang, G., Hou, W., Wu, Z., Li, C., Zhao, T. (2014). Sodium channel point mutations associated with pyrethroid resistance in Chinese strains of Culex pipiens quinquefasciatus (Diptera: Culicidae). Parasites & Vectors, 7.
G16301	2014	Field Evolved Resistance	China	Zhao, M., Dong, Y., Ran, X., Guo, X., Xing, D., Zhang, Y., Yan, T., Zhu, X., Su, J., Zhang, H., Wang, G., Hou, W., Wu, Z., Li, C., Zhao, T. (2014). Sodium channel point mutations associated with pyrethroid resistance in Chinese strains of Culex pipiens quinquefasciatus (Diptera: Culicidae). Parasites & Vectors, 7.
G16299	2014	Field Evolved Resistance	China	Zhao, M., Dong, Y., Ran, X., Guo, X., Xing, D., Zhang, Y., Yan, T., Zhu, X., Su, J., Zhang, H., Wang, G., Hou, W., Wu, Z., Li, C., Zhao, T. (2014). Sodium channel point mutations associated with pyrethroid resistance in Chinese strains of Culex pipiens quinquefasciatus (Diptera: Culicidae). Parasites & Vectors, 7.
G7234	2004	Unspecified	USA-- Alabama-- Mobile	Liu, H., E.W. Cupp, K.M. Micher, A. Guo, and N. Liu. (2004). Insecticide Resistance and Cross-Resistance in Alabama and Florida Strains of Culex quinquefaciatus.. Journal of Medical Entomology, 41(3) 408-413.
G7233	2004	Unspecified	USA-- Alabama-- Alabama	Liu, H., E.W. Cupp, K.M. Micher, A. Guo, and N. Liu. (2004). Insecticide Resistance and Cross-Resistance in Alabama and Florida Strains of Culex quinquefaciatus.. Journal of Medical Entomology, 41(3) 408-413.
G7232	2004	Unspecified	USA-- Florida-- Vero Beach	Liu, H., E.W. Cupp, K.M. Micher, A. Guo, and N. Liu. (2004). Insecticide Resistance and Cross-Resistance in Alabama and Florida Strains of Culex quinquefaciatus.. Journal of Medical Entomology, 41(3) 408-413.
G5691	1998	Unspecified	Cote d'Ivoire-- Korhogo	Chandre, F., F. Darriet, M. Darder, A. Cuany, J.M.C. Doannio, N. Pasteuer, and P. Guillet. (1998). Pyrethroid resistance in Culex quinquefasciatus from West Africa.. Medical and Veterinary Entomology, 12 359-366.
G5690	1998	Unspecified	Cote d'Ivoire-- Katiola	Chandre, F., F. Darriet, M. Darder, A. Cuany, J.M.C. Doannio, N. Pasteuer, and P. Guillet. (1998). Pyrethroid resistance in Culex quinquefasciatus from West Africa.. Medical and Veterinary Entomology, 12 359-366.
G5689	1998	Unspecified	Cote d'Ivoire-- Bouake	Chandre, F., F. Darriet, M. Darder, A. Cuany, J.M.C. Doannio, N. Pasteuer, and P. Guillet. (1998). Pyrethroid resistance in Culex quinquefasciatus from West Africa.. Medical and Veterinary Entomology, 12 359-366.
G5687	1998	Unspecified	Cote d'Ivoire-- Abidjan	Chandre, F., F. Darriet, M. Darder, A. Cuany, J.M.C. Doannio, N. Pasteuer, and P. Guillet. (1998). Pyrethroid resistance in Culex quinquefasciatus from West Africa.. Medical and Veterinary Entomology, 12 359-366.
G5692	1998	Unspecified	Cote d'Ivoire-- Bouafle	Chandre, F., F. Darriet, M. Darder, A. Cuany, J.M.C. Doannio, N. Pasteuer, and P. Guillet. (1998). Pyrethroid resistance in Culex quinquefasciatus from West Africa.. Medical and Veterinary Entomology, 12 359-366.
G5693	1998	Unspecified	Cote d'Ivoire-- Daloa	Chandre, F., F. Darriet, M. Darder, A. Cuany, J.M.C. Doannio, N. Pasteuer, and P. Guillet. (1998). Pyrethroid resistance in Culex quinquefasciatus from West Africa.. Medical and Veterinary Entomology, 12 359-366.
G5694	1998	Unspecified	Cote d'Ivoire-- Odienne	Chandre, F., F. Darriet, M. Darder, A. Cuany, J.M.C. Doannio, N. Pasteuer, and P. Guillet. (1998). Pyrethroid resistance in Culex quinquefasciatus from West Africa.. Medical and Veterinary Entomology, 12 359-366.
G5695	1998	Unspecified	Cote d'Ivoire-- Gagnoa	Chandre, F., F. Darriet, M. Darder, A. Cuany, J.M.C. Doannio, N. Pasteuer, and P. Guillet. (1998). Pyrethroid resistance in Culex quinquefasciatus from West Africa.. Medical and Veterinary Entomology, 12 359-366.
G5696	1998	Unspecified	Cote d'Ivoire-- San Pedro	Chandre, F., F. Darriet, M. Darder, A. Cuany, J.M.C. Doannio, N. Pasteuer, and P. Guillet. (1998). Pyrethroid resistance in Culex quinquefasciatus from West Africa.. Medical and Veterinary Entomology, 12 359-366.
G5697	1998	Unspecified	Burkina Faso-- Bobo Dioulasso	Chandre, F., F. Darriet, M. Darder, A. Cuany, J.M.C. Doannio, N. Pasteuer, and P. Guillet. (1998). Pyrethroid resistance in Culex quinquefasciatus from West Africa.. Medical and Veterinary Entomology, 12 359-366.
G5698	1998	Unspecified	Burkina Faso-- Ouagadougou	Chandre, F., F. Darriet, M. Darder, A. Cuany, J.M.C. Doannio, N. Pasteuer, and P. Guillet. (1998). Pyrethroid resistance in Culex quinquefasciatus from West Africa.. Medical and Veterinary Entomology, 12 359-366.
G5129	1989	Field Evolved Resistance	Saudi Arabia	Amin, A. M. and Hemingway, J. (1989). Preliminary investigation of the mechanisms of DDT and pyrethroid resistance in Culex quinquefasciatus Say (Diptera: Culicidae) from Saudi Arabia.. Bull. Ent. Res., 79 361-366.
G4959	1988	Field Evolved Resistance	Cote d'Ivoire	Magnin, M., E. Marboutin, and N. Pasteur. (1988). Insecticide and the resistance problem in apple and pear orchards in South Australia.. Dep. Agric.. S. Aust. Tech. Bull. 30: pp.8.

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