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https://www.persianacarology.org/article_252502.html Study of the repellent and lethal effect of essential oils derived from Heracleum persicum Desf.... The European red mite, Panonychus ulmi (Acari: Tetranychidae) is one of the main pests of apple trees worldwide. The main purpose of this research was to study... of theessential oilsheracleum persicumstudyrepellent