Abstract
Currently, the spotted-wing drosophila, Drosophila suzukii Matsumura (Diptera: Drosophilidae), is threatening the worldwide berry and small fruit industries, but the current control methods have many disadvantages, among them are capital intensive, require high labour and not sustainable in the long term. Therefore, to develop alternative management strategies, there were investigated several biological and reproductive characteristics of D. suzukii developed in six host plants of economic importance in Tehran-Varamin province, Iran: Clementine mandarin, Golden apple smoothie, Pears, Persimmons, Red apples, and Valencia oranges. Among the six tested hosts, pear was identified as the most favorable host for D. suzukii since it registered high daily oviposition, high percentage of egg hatching, and both a short duration of larvae and pupa stages. These results could be useful to develop management strategies, in two ways. First, to implement the reproduction of this dipteran and its main parasitoid Trichopria drosophilae (Perkins) under a mass-rearing approach, and second, to help to predict the trend and pattern of infestation in Tehran-Varamin province. Due to the high sensitivity of pear fruits to this pest, it is recommended to exercise prudence in the planting of new pear orchards, especially mixed with citrus.
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More From: Agricultural Research & Technology: Open Access Journal
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