A method for the detection and measurement of insecticide resistance in larvae of Lucilia cuprina (Wied.) (Dipt., Calliphoridae)

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Abstract
In this method the toxicant is absorbed with blood serum onto a loose roll of chromatography paper; first-instar larvae of Lucilia cuprina (Wied.) are inserted into the air spaces of the roll and allowed to feed. Mortality of the larvae is assessed 24 h later. Typical results using diazinon, dichlofenthian and chlorfenvinphos against susceptible and resistant strains of L. cuprina showed larvae to have resistance factors 6–8 times higher than those for adults determined by established techniques.