| 对部分瓢虫食性的新发现 |
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| 引用本文： | 李宽胜,陈孝达.对部分瓢虫食性的新发现[J].陕西林业科技,1992(2):84-86. |
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| 作者姓名： | 李宽胜 陈孝达 |
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| 作者单位： | 陕西省林科所，陕西省林科所，陕西省林科所 |
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| 摘 要： | 七星瓢虫、龟纹瓢虫和异色瓢虫,一直被人们认为是肉食性昆虫。据近年来调查观察,发现这类昆虫一方面可大量捕食蚜虫、介壳虫,另一方面又可严重危害枣花,具有肉食和植食的双重性能。本文还记述了这些瓢虫对枣花的危害情况,并对枣园常见瓢虫进行了检索。
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| 关 键 词： | 七星瓢虫 龟纹瓢虫 食性 枣花 为害 |
NEW DISCOVERY OF FEEDING HABITATS OF SOME LADYBIRDS |
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| Li Kuansheng,Chen Xiaoda,Wang Hongzhe Shaanxi Forestry Institute of Sciences.NEW DISCOVERY OF FEEDING HABITATS OF SOME LADYBIRDS[J].Shaanxi Forest Science and Technology,1992(2):84-86. |
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| Authors: | Li Kuansheng Chen Xiaoda Wang Hongzhe Shaanxi Forestry Institute of Sciences |
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| Institution: | Li Kuansheng;Chen Xiaoda;Wang Hongzhe Shaanxi Forestry Institute of Sciences |
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| Abstract: | The ladybirds,Coccinella septempunctata (L.),Harmonia axyridis (Pallas) and Propylaea japonica (Thunberg),have been considered entomophagous.However,they were discovered phytophagous too in the au- thor's observation during the recent years.They did prey upon aphids and scale insects,but also fed on Chinese date flowers avariciously in date orch- ards.Thus,they had dual feeding habitats.The present paper gives an acc- ount of the damages of those beetles to the date flowers and with an identif- ication key to the common ladybirds occuring in Chinese date orchards. |
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| Keywords: | Coccinella septempunctata Harmonia axyridis Propylaea joponica feeding habitats Chinese date flowers |
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