From chemotype to control: insecticidal efficacy of piperitone and 2-cyclohexen-1-one analogues against dual-stage stored-product pests.

A notable trend observed in Table 1 is that adult P. interpunctella exhibited substantially greater susceptibility to the fumigant action of E. dives oil (LD 50 , 6.24 mg/L) compared to larvae (LD 50 , 286.52 mg/L), a difference that is more plausibly attributed to life-stage–dependent variation in respiratory uptake during fumigant exposure, potentially in combination with differences in metabolic processing, rather than cuticular permeability alone.

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