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題 名 | Three Species of Long-Horned Beetles Feeding on Taiwan Red Pine=取食臺灣二葉松的三種天牛 |
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作 者 | 陳一銘; 趙榮臺; | 書刊名 | 臺灣林業科學 |
卷 期 | 13:4 1998.12[民87.12] |
頁 次 | 頁373-376 |
分類號 | 436.34 |
關鍵詞 | 臺灣二葉松; 松材線蟲; 松斑天牛; 四星棗紅長角天牛; 郡大粗腳天牛; Pinus taiwanensis; Bursaphelenchus xylophilus; Monochamus alternatus; Acanthocinus gundaiensis; Paraleprodera itzingeri; |
語 文 | 英文(English) |
中文摘要 | 近來的證據顯示中部廣泛種植的台灣二葉松已感染松材線蟲。由於斑天牛 (Monochamus alternatus) 是松材線蟲的媒介昆蟲,因此乃於 1998 年 4 月至 7 月在中部 的台灣二葉松林內調查、採集天牛。 結果灣二葉松的病、 死株上採集到 28 隻天牛成蟲及 42 隻天牛幼蟲,牠們分屬於郡大粗腿天牛 (Acanthocinus gundaiensis)、四星棗紅長角天 牛 (Paraleprodera itzingeri) 及松斑天牛等 3 種天牛,其中郡大粗腿天牛和四星棗紅長 角天牛的相對豐度高於松斑天牛。羽化後的四星棗紅長角天牛和松斑天牛一樣,取食樹枝和 樹皮, 而以改良之柏門式漏斗法檢查 16 隻初羽化的四星棗紅長角天牛,也發現其中 1 隻 帶有7隻松材線蟲,顯示四星棗紅長角天牛可能也是松材線蟲的媒介。本文首度記錄台灣二葉 松係松斑天牛及台灣特有之郡大粗腿天牛、四星棗紅長角天牛之寄主植物。企圖宜以治天牛 的手段達到控制松材線蟲的目的之前,我們亟需先針對三種天牛生活史及其對台灣二葉松之 影響加以瞭解、評估。 |
英文摘要 | Recent evidence has shown that the native Taiwan red pine (Pinus taiwanensis), once believed to be a resistant pine species, is subject to pinewood nematode Bursaphelenchus xylophilus attack. Because the pine sawyer, Monochamus alternatus, has been confirmed as the major vector of the pinewood nematode, attempts were made t collect pine sawyers and other long-horned beetles in Taiwan red pine forests. A total of 28 adults and 42 larvae of 3 species of long-horned beetles, namely Acanthocinus gundaiensis, M. alternatus, and Paraleprodera itzingeri, was found to be associated with dying and dead trees of Taiwan red pine. Based on this limited data, A. gundaiensis and P. itzingeri wer more abundant than M. alternatus in Taiwan red pine forests. Most significantly, 1 of the 16 newly emerged P. itzingeri was found to be carrying 7 Bursaphelenchus nematodes. This and the similarity of the feeding behavior of P. itzingeri and M. alternatus suggest that P. itzingeri may be a potential vector of the pinewood nematode in Taiwan red pine forests. This is the first report that Taiwan red pine is a host plant of M. alternatus and the endemic P> itzingeri and A. gundaiensis. The impact of these 3 species of long-horned beetles on Taiwan red pine must be understood and assessed before contol measures directed at them, in an attempt to regulate the pinewood nematode in Taiwan red pine forests, can be implemented. |
本系統中英文摘要資訊取自各篇刊載內容。