Taibi, A., Gacemi, A., Medjdoub, Y., Medjdoub, I., & Doumandji, S. 2016 Citrus infestation by the black scale, Parlatoria ziziphi Lucas (Homoptera: Diaspididae) in Tlemcen, Algeria. Journal of Entomological Research 40(3): 217-221

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economic importance

Notes: In a 2-year study on black scale,Parlatoria ziziphi Lucas (Homoptera, Diaspididae) infestation on two citrus varieties viz., Thomson and Portuguese at El Fehoul station in Tlemcen North-West of Algeria, Parlatoria ziziphi was found infesting both varieties.