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Essential oils are biologically and environmentally safe pesticidal compounds yielded from aromatic plants. Spices are important sources of essential oils, and they are widely used in the medicine, food, and various other industries. Among the different spices, Allspice ( Pimenta dioica ) is underexplored in terms of its biological efficacy and a limited number of studies are available on the chemical composition of Allspice essential oil (AEO); thus, the present study evaluated the larvicidal property, the repellency, and the fumigant toxicity against common pests of stored products of AEO. AEO was found to inhibit the survival of larvae of such vectors as  Aedis, Culex , and  Armigeres  species. Further, AEO was found to exert repellant effects against the pests of such stored products as  Sitophilus, Callosobruchus,  and  Tribolium . Similarly, the fumigant toxicity was found to be high for AEO against these species. The contact toxicity of AEO was high against  Sitophilus  and  Callosobruchus . Apart from that, the essential oil was found to be safe against a non-target organism (guppy fishes) and was found to be non-genotoxic in an  Allium cepa  model. Overall, the results of the present study indicate that the essential oil from Allspice could be used as an environmentally safe larvicidal and biopesticidal compound.

Chemical Composition, Insecticidal and Mosquito Larvicidal Activities of Allspice (Pimenta dioica) Essential Oil