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頁籤選單縮合
題 名 | 綠豆象(Callosobruchus Chinensis)(鞘翅目:豆象科)及四紋豆象(C. Maculatus)雌蟲之繁殖與存活受同種或不同種雄蟲及其密度之影響=Effects of Intraspecific and Interspecific Male Interference and Density on Reproduction and Longevity of the Bean Weevils Callosobruchus Chinensis (L.) and C. Maculatus (F.) (Coleoptera: Bruchidae) |
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作 者 | 林俊耀; 洪淑彬; | 書刊名 | 臺灣昆蟲 |
卷 期 | 24:1 2004.03[民93.03] |
頁 次 | 頁53-63 |
分類號 | 387.785 |
關鍵詞 | 綠豆象; 四紋豆象; 雄蟲干擾; 產卵; Callosobruchus chinensis; C. maculatus; Male interference; Oviposition; |
語 文 | 中文(Chinese) |
中文摘要 | 綠豆象(Callosobruchus chinensis)及四紋豆象(C. maculatus)常同域發生,室内觀察常發現不同種的雄蟲對雌蟲進行求偶、甚至企圖交配的行為發生,此種行為對雌蟲有能量及時間的損失,可影響其繁殖或壽命進而影響其種間競爭關係等。因此進行試驗探討對綠豆象及四紋豆象雌蟲於同種或不同種雄蟲干擾下,其產卵數、卵孵化率及壽命的影響。結果顯示,隨著綠豆象與四紋豆象雄蟲密度增加,其干擾可造成雌蟲之產卵數及壽命顯著降低。比較同種及不同種雄蟲對雌蟲產卵數及孵化幼蟲數之影響,顯示四紋豆象雄蟲對綠豆象雌蟲產卵數及孵化幼蟲數之影響顯著較綠豆象雄蟲之作用為大;而綠豆象雄蟲在低密度時對四紋豆象雌蟲產卵數及孵化幼蟲數之影響較大,高密度處理則四紋豆象雄蟲之干擾作用較顯著。顯示兩種豆象雌蟲受種間雄蟲干擾之影響一般較種内干擾嚴重,且兩種豆象雌蟲受種内及種間雄蟲干擾作用具顯著差異,可能是影響種間競爭之重要因子。由卵孵化率的分析顯示四紋豆象雄蟲對兩種豆象的卵均有較高的致死作用,且卵孵化率隨四紋豆象雄蟲密度增加而顯著降低。而雄蟲對壽命的影響在同種和不同種之干擾作用相近,推測可能不影響種間競爭結果。 |
英文摘要 | The bean weevils of Callosobruchus chinensis and C. maculatus frequently infest seeds in the same storage house simultaneously. We observed a high frequency of interspecific courtship and mating attempts by these two bean weevils in the lab. Male interference may cause the loss of valuable oviposition time and energy of females, which in turn may affect the fecundity and longevity of females. In this study, the effects of intraspecific and interspecific male interference on the fecundity and longevity of female bean weevils were explored. The results showed that the fecundity and longevity of the females of these two species decreased with increasing conspecific or interspecific male density. However, effects of intraspecific and interspecific male interferences on fecundity or egg hatchability of these two bean weevils significant differed. The interspecific interference of males on the fecundity and longevity of females of both species was significantly higher than that of intraspecific interference. The fecundity and number of eggs hatched by C. chinensis were significantly reduced with increasing interspecific male density than with conspecific male density. In contrast, the effect of interspecific male interference with the fecundity and egg hatching of C. maculatus was higher than that of the intraspecific effect when male density was low. The number of eggs hatched by females of these two species decreased with increasing male density; however, male C. maculatus caused higher egg mortality for both species. Consequently, interspecific male interference is a crucial factor in interspecific competition of these two bean weevils. On the contrary, the reduction in longevity of females by interspecific and conspecific male interferences was similar. |
本系統中英文摘要資訊取自各篇刊載內容。