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台灣南部地區龐達巢粉蝨之發生與防治

Occurrence and Control of Nesting Whitefly (Paraleyrodes bondari Peracchi) in Southern Taiwan

摘要


龐達巢粉蝨(Paraleyrodes bondari Peracchi)為新入侵台灣之害蟲,於高屏地區調查結果其寄主植物共有17科25種,主要為害作物為蓮霧、番石榴、桑、酪梨、香蕉及番荔枝等。受害蓮霧園之被為害葉率介於16.0~50%,平均為26.5%。於葉片之分布比例因寄主不同而有差異,主要分布於中老葉之葉背。成蟲對黃色及綠色有偏好性,為其尋覓寄主時重要引導因子。殺蟲劑防治試驗結果,以9.6% Imidacloprid SP 2,000X、2.8% Cyhalothrin EC 2,000X、20% Mospilan SP 2,000X及2.8% Deltamethrin EC 1,500X等4種藥劑防治效果最佳。

並列摘要


The nesting whitefy (Paraleyrodes bondari Peracchi) was firstly recorded as a new insect pest of fruit tree in Taiwan in 1998. The host range of this pest was surveyed in southern Taiwan from 1998 to 2000, and 25 species of tree belonging to 17 families were recorded as its host plant. The infested leaves of wax apple ranged from 16.0 to 50.0% with an average of 26.5% in Kao-ping area. Though the distribution pattern of nesting whitefly on leaves of host plants was different, but It was observed mostly feeding on the abaxial leaf surface of middle-aged leaves. Adults were strongly attracted by the yellow and green colour sticky traps. These colours were important factors for finding host plants. The chemicals such as 9.6% Imidaclopnd SP, 2.8% Cyhalothrin EC, 20% Mospilan SP and 2.8% Deltamethrin EC showed effective in controlling this whitefly.

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