Insecticide resistance genes in Culex pipiens (Diptera: Culicidae) from Italy: esterase B locus at the DNA level.


Restriction fragment length polymorphism (RFLP) analysis at the esterase B locus was performed in samples from four populations of Italian Culex pipiens pipiens L. to identify correctly, at the molecular level, the resistance gene. The absence of the amplified B2 haplotype was confirmed, indicating that it has not increased in frequency after its detection… (More)


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