ArticleMedical and veterinary entomology2022
First evidence of pyrethroid resistance in Italian populations of West Nile virus vector Culex pipiens.
Article in Medical and veterinary entomology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 16 citations in OpenAlex.
- Assessing insecticide susceptibility of Culex pipiens linnaeus (Diptera: Culicidae) in the Aras River basin: implications for disease control.BMC infectious diseases · 2025Article
- Widespread Distribution ofInsects · 2025Article
- Consequences of insecticide overuse in Hungary: assessment of pyrethroid resistance in Culex pipiens and Aedes albopictus mosquitoes.Parasites & vectors · 2025Article
- Evaluation of Protocols for DNA Extraction from IndividualMethods and protocols · 2024Article
- Household expenditure on control of urban mosquitoes Aedes albopictus and Culex pipiens in Emilia-Romagna, Northern Italy.PLoS neglected tropical diseases · 2024Article
- The P450-Monooxygenase Activity and CYP6D1 Expression in the Chlorfenapyr-Resistant Strain ofInsects · 2024Article
- Article
- Transcriptomics analysis of ethanol treatment of maleFrontiers in physiology · 2023Article
- Phenotypic insecticide resistance status of the Culex pipiens complex: a European perspective.Parasites & vectors · 2022Review
- First evidence of pyrethroid resistance in Italian populations of West Nile virus vector Culex pipiens.Medical and veterinary entomology · 2022Article
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Authors and funding
13 authors at 5 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Culex pipiens (Linnaeus), one of the most abundant mosquito species in Europe, plays a crucial role in the endemic transmission of West Nile virus and caused the large outbreak with >1600 human cases in 2018. Although evidence of resistance to pyrethroids has been reported for Cx. pipiens populations from Spain and Greece, resistance monitoring has been largely neglected in Italy. Herein, we investigate susceptibility of Italian Cx. pipiens populations to the pyrethroids permethrin and deltamethrin. Results from WHO-tube-bioassays revealed mortalities ranging from 14-54%, indicating high levels of resistance, in four out of 10 populations exposed to permethrin (0.75%) and of 63% in one of three populations exposed to deltamethrin (0.05%). Reduced susceptibility (mortality<98%) was detected in almost all other populations. A clear association is shown between the resistant phenotype and the presence of kdr-alleles in position 1014 of the VSSC, strongly suggesting its role in reducing susceptibility. The study provides the first evidence of pyrethroid-resistance in Italian Cx. pipiens populations and reports levels of resistance paralleled in the European region only in Turkey. This highlights the urgent need to implement insecticide-resistance management plans to restore the efficacy of the nowadays only chemical weapon available to control arbovirus transmission in Europe.
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