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題 名 | 南瓜實蠅(Bactrocera Tau)(雙翅目:果實蠅科)之產卵偏好=Bactrocera Tau (Diptera: Tephritidae) Ovipositional Preference on Host Plants |
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作 者 | 林明瑩; | 書刊名 | 臺灣昆蟲 |
卷 期 | 26:3 民95.09 |
頁 次 | 頁249-260 |
分類號 | 387.795 |
關鍵詞 | 南瓜實蠅; 產卵偏好; Bactrocera tau; Ovipositional preference; |
語 文 | 中文(Chinese) |
中文摘要 | 以小黃瓜、苦瓜、南瓜、洋香瓜、甜瓜、胡瓜、冬瓜、絲瓜、扁蒲及木瓜等10種常見瓜實進行南瓜實蠅雌蟲產卵偏好試驗,以每4種瓜實為1組,共分10組,進行分組測試,結果以在胡瓜上所產之平均總產卵量較多,佔全部10種瓜實比例之24.58%,其次為小黃瓜、絲瓜及南瓜分別佔19.71、14.77及14.46%。在對新鮮瓜及內有幼蟲之被害絲瓜之產卵偏好試驗中,當瓜實內有初齡幼蟲時,南瓜實蠅對新鮮瓜及有初齡幼蟲之被害瓜之產卵數間並無顯著差異,亦即雌蟲無產卵偏好之選擇性差異;但當瓜實內幼蟲達3齡時,則南瓜實蠅甚少選擇被害瓜而顯著偏好於在新鮮絲瓜上產卵,且不論瓜實內之幼蟲為南瓜實蠅或瓜實蠅,均可得到相同結果。在對新鮮及腐爛絲瓜及胡瓜之產卵偏好選擇上,南瓜實蠅顯著地偏好在新鮮的瓜實上產卵,對兩種不同瓜類之產卵偏好結果均相同。於雌蟲產卵偏好試驗進行開始60分鐘內觀察雌蟲之產卵行為,試驗初期的10分鐘內,雌蟲多受誘引,集中停留在腐爛瓜上,經試探選擇,於30分鐘後,多數之雌蟲均轉移至新鮮瓜實上進行產卵。 |
英文摘要 | Bactrocera tau ovipositional preference for different host plant species was studied in this research. Ten common host fruits, Benincasa hispida, Carica papaya, Cucumis anguria, Cucumis melo, Cucumis melo var. reticulates, Cucumis sativus, Cucurbita moschata, Luffa cylindrica, Lagenaria leucantha and Momordica charantia, were tested in the laboratory. In each experiment, four host fruits were tested using a multiple choice test; a total of 10 experiments were undertaken. The average number of eggs laid on cucumber (Cucumis sativus) was the greatest among the 10 host fruits tested. The next most preferred fruits were pickling cucumber (Cucumis anguria) and sponge gourd (Luffa cylindrica). The number of eggs laid by B. tau on fresh fruits and fruits injured by 1st and 2nd instar larvae were not significantly different. However, B. tau preferred to oviposit on fresh fruits and neglected injured fruits when there were 3rd instar larvae present; whether the larvae were B. tau or B. cucurbitae. Comparison of ovipositional preference showed that B. tau strongly preferred to oviposit on fresh fruits, and the same results were obtained on both sponge gourds and cucumbers. The oviposition behavior was observed during the first 60 minutes. Most females were sucking on the rotten fruits during the first 10 minutes, but the majority of females moved from the rotten to the fresh fruits within 30 minutes. |
本系統中英文摘要資訊取自各篇刊載內容。