Abstract
ABSTRACT House mites frequently trigger allergic conditions. Although conventional treatments are effective, they can result in drug resistance and pose risks to the environment, human health, and non-target organisms. Therefore, this study evaluates new botanical extracts for their biological activities against Dermatophagoides pteronyssinus (Trouessart 1897; Pyroglyphidae), D. farinae (Hughes 1961; Pyroglyphidae), and Tyrophagus putrescentiae (Schrank 1781; Acaridae), not only to control them but also to reduce their allergens (dead bodies and faecal particles) by keeping them away. It is noteworthy that of these plants, Allium cepa L. (Alliaceae) and Solanum melongena L. (Solanaceae) peel extracts, as well as leaves of Hibiscus sabdariffa L. (Malvaceae), were tested for the first time in the present study as new bioacaricides, while Piper nigrum L. (Piperaceae) and H. sabdariffa leaves proved to be new botanical repellents for these mite species. Based on LC50 values, A. cepa, Beta vulgaris, and S. melongena extracts had the most potent toxic effects on these mite species, while extracts of Aloe vera, Capsicum annum, and P. nigrum had the strongest repellent activity against them at the highest concentration. These natural plant extracts may have valuable potential as new acaricidal products.
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