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題名 | An Efficient Method for the Collection of Coffee Berry Borer [Hypothenemus hampei (Ferrari)] Adults=一個有效率地收集咖啡果小蠹成蟲[Hypothenemus hampei (Ferrari)]的方法 |
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作者 | 王泰權; 程子軒; 梁鈺平; Wang, Tai-chuan; Cheng, Zi-xuan; Liang, Yu-ping; |
期刊 | 臺灣農業研究 |
出版日期 | 20190900 |
卷期 | 68:3 2019.09[民108.09] |
頁次 | 頁254-260 |
分類號 | 433.3 |
語文 | eng |
關鍵詞 | 咖啡果小蠹; 收集方法; Coffee berry borer; Hypothenemus hampei; Collection method; |
中文摘要 | 本研究針對Aprostocetus sp.於檬果壯鋏普癭蚋的寄生率及寄生行為進行調查,分別在2015年4月及10月於高雄市兩樣區調查。結果顯示,其寄生率介於11-19%。抽樣葉片的癭蚋蟲癭數量與被寄生數呈正相關(r = 0.785, P < 0.001),與寄生率之相關性低(r = -0.291, P = 0.213),顯示寄生蜂寄生率不隨癭蚋族群大小而增減。向光處蟲癭的被寄生率(19.3% ± 3.2%, n = 9)顯著高於背光處(4.9% ± 2.6%, n = 9)(P < 0.050),顯示寄生蜂寄生偏好會受環境因子影響。癭蚋被寄生之時期主要在蟲癭的成長分化期及定型成熟期。寄生蜂成蟲插入產卵管的寄生方位為蟲癭的底部(葉背方向),但其離癭位置則多與癭蚋相同,即由蟲癭的端部羽化孔(葉面方向)離癭,僅少數寄生蜂由葉背方向離癭。室內飼養寄生蜂成蟲存活天數比較結果顯示,對照無提供營養組[4 d ± 1 d(n = 12)],提供20%蜂蜜水組[9 d ± 1 d(n = 12)]之成蟲個體存活天數較長,推論於田間栽植蜜源植物可延長此蜂存活天數及提升其寄生效率。未來將進一步測試其Aprostocetus sp.成蟲日律活動及增放效果,以評估作為防治檬果壯鋏普癭蚋的天敵資材可行性。 |
英文摘要 | The investigations on the parasitism and ovipositional behavior of Aprostocetus sp. were done on mango pest cecidomyiid, Procontarinia robusta, in providing fundamental information for developing biocontrol tactics. The parasitism was 11-19% at two sampling localities of Kaohsiung City in April and October 2015. Number of galls per leaf is positively correlated to the number of parasites per leaf (r = 0.785, P < 0.001) but insignificantly correlated to the percentage parasitization (r = -0.291, P = 0.213). It indicates that parasitism is not affected by population size of P. robusta. Besides, the parasitism of gall on apricus branch (19.3% ± 3.2%, n = 9) is significantly higher than that on downsun branch (4.9% ± 2.6%, n = 9), indicating the parasitism is influenced by environmental factor. The ovipositional phase of Aprostocetus sp. is associated with growth and differentiation stage and maturation stage of midge gall. The adult wasp lays the egg on abaxial side of leaf and most emergent adult leaves gall from adaxial side of leaf. The longevity of adult wasp treated with 20% honey water (9 d ± 1 d, n = 12) is higher than those in the treatment with no food (4 d ± 1 d, n = 12). The results showed that planting nectar plants could have positive biological control effect by prolonging the longevity of the Aprostocetus parasitoid. The biological rhythm and release test of Aprostocetus sp. is needed to evaluate biocontrol effectiveness of natural enemy on P. robusta in further studies. |
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