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Journal of the Egyptian Society of Parasitology

Insect growth regulators: I. Biological activity of some IGR's against the susceptible and resistant strains of Culex pipiens larvae. II. Pattern of cross resistance to IGR's in carbaryl-resistant strain.


PMID 2504825

Abstract

The biological activity and cross-resistance of some IGR's, Dimilin, BAY SIR 8514 and Chlorofluzuron against susceptible and carbaryl-resistant strains of Culex pipiens were determined. The results indicated that these compounds are highly effective against the larvae of C. pipiens but more potent larvicides against the susceptible larvae than against the resistant ones. The pattern of cross-resistance to the used IGR's in the carbaryl-resistant strain were obtained. The data revealed no three IGR's as larvicides against the susceptible and resistant Culex pipiens. The pattern of cross resistance to other potent IGR's was also studies.

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