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題 名 | 基徵草蛉(脈翅目:草蛉科)對柑橘潛葉蛾(鱗翅目:潛葉蛾科)寄生蜂之影響=Influence of Green Lacewing, Mallada Basalis (Walker)(Neuroptera: Chrysopidae), on Parasitoids of Citrus Leafminer, Phyllocnistis Citrella Stainton (Lepidoptera: Phyllocnistidae) |
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作 者 | 吳子淦; 林珪瑞; | 書刊名 | 中華昆蟲 |
卷 期 | 18:1 1998.03[民87.03] |
頁 次 | 頁13-25 |
分類號 | 433.3 |
關鍵詞 | 基徵草蛉; 橘潛蛾; 寄生蜂; 白腹嚙小蜂; 串繭跳小蜂; Citrus leafminer; Parasitoids; Phyllocnistis citrella; Mallada basalis; Citrostichus phyllocnistoides; |
語 文 | 中文(Chinese) |
中文摘要 | 於柑橘園中調查發現橘潛蛾(柑橘潛葉蛾,Phyllocnistis citrella)的寄生性天 敵有 4 科 9 種, 其中 6 種屬於釉小蜂科。 橘潛蛾幼蟲最主要的寄生蜂是白腹嚙小蜂 (Citrostichus phyllocnistoides), 其寄生率大多在 40-60% 之間, 其次是串繭跳小蜂 (Ageniaspis citricola),寄生率多在 40 % 以下。串繭跳小蜂同時也是橘潛蛾蛹期的主要 寄生性天敵,在 9 月或 10 月寄生率最高,幾達 80%。每年 6 月之前田間橘潛蛾寄生蜂之 總寄生率較低,以後才漸次上升。於柑橘園中釋放基徵草蛉 (Mallada basalis),不論是草 蛉釋放區或對照區,橘潛蛾的被寄生率變動趨勢一致。實驗室內的觀察結果顯示,各齡期的 基徵草蛉幼蟲都會捕食橘潛蛾幼蟲,而此蛾幼蟲被寄生與否並不影響草蛉的捕食。但是只有 三齡草蛉幼蟲有能力捕食橘潛蛾的蛹。田間及實驗室內捕食結果說明釋放基徵草蛉會減少橘 潛蛾及寄生蜂的密度,但是對橘潛蛾被寄生率沒有負面影響。 |
英文摘要 | Nine species of parasitoids were found with the citrus leafminer, Phyllocnistis citrella, in citrus orchards in central Taiwan. These hymenopterous wasps belong to 4 families, with 6 species from the family Eulophidae. Citrostichus phyllocnistoides, one of the eulophid wasps, was the major larval parasitoid, with 40% to 60% of leafminer larvae parasitized by this wasp. Second to it was the encyrtid wasp, Ageniaspis citricola. Most leafminer larvae were parasitized by these 2 species. A. citricola was the most frequently found pupal parasite, with as much as 80% of the pupae being attacked by this species during September and October. Field surveys showed that parasitism of leafminers was low during the citrus shooting stage from March to June. The 1st to 3rd instar chrysopid, Mallada basalis, could prey on larvae of leafminers. The chrysopid fed on the host irrespective of itself being parasitized or not. Only lacewings of the 3rd instar could prey on pupated leafminers. the results from field and laboratory observations reveal that the release of chrysopids can decrease the numbers of both citrus leafminers and parasitoids. However, the overall percentages of leafminers parasitized were not affected. |
本系統中英文摘要資訊取自各篇刊載內容。