| 长安拟叩甲的研究 |
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| 引用本文： | 陈文荣,陈金加,等.长安拟叩甲的研究[J].福建林学院学报,1995,15(2):136-139. |
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| 作者姓名： | 陈文荣 陈金加 |
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| 作者单位： | [1]福建省国营来舟林业试验场，353004 [2]福建省国营闽清白 |
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| 摘 要： | 长安拟叩甲ＡｎａｄａｓｔｕｓＬｏｎｇｉｏｒＡｒｒｏｗ是苏铁ＣｙｃａｓｒｅｖｏｌｕｔａＴｈｕｍｂ叶部的主要害虫，成虫期长，危害期二个月，危害严重，造成苏铁嫩梢焦枯甚至死亡，大大降低苏铁的观赏价值．而苏铁属珍稀保护的、观赏的园林树种，资源匮乏．成虫、幼虫为害不同寄主，需要在二种植物中完成年生活史．成虫噬食苏铁嫩叶；幼虫蛀茎，取食禾本科狗尾草Ｓｅｔａｒｉａｖｉｒｉｄｉｓ（Ｌ．）Ｂｅａｕｖ、金色狗尾草Ｓ．ｇｌａｕｃｅ（Ｌ．）Ｂｅａｕｖ、狼尾草Ｐｅｎｒｉｓｅｔｕｍａｌｏｐｅｃｕｒｏｉｄｅｓ（Ｌ．）Ｓｐｒｅｎｇ、马塘ＤｉｇｉｔａｒｉａｖｉｏｌａｓｃｅｎｓＬｉｎｋ．的髓部及皮层．一年一代，以老熟幼虫在干枯的草茎中越冬．
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| 关 键 词： | 长安拟叩甲 苏铁 生物学特性 |
A Study on the Anadastus longior Arrow |
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| Chen Wenrong.A Study on the Anadastus longior Arrow[J].Journal of Fujian College of Forestry,1995,15(2):136-139. |
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| Authors: | Chen Wenrong |
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| Abstract: | The Anadastus longior Arrow is one of serious pests injurious to leaves of Cycas revoluta Thumb.The adult stage is Long and its damage Lasts for two months each year. Heavy damage may cause the tender shoots to wither or even die, thus reducing greatly the ornamental value of cycas revoluta, a rare、protective and ornamental garden plant. The adults and Larvas of this beetle damage different host plants and need two kinds of plants to finish its life cycle. The adults eat the leaves of Cycas revoluta and the larvae bore the steams of Seteria viridis (L.)Beauv S. glauce (L.)Beauv.Penniesetum alopecuroides (L.)Spreng and Digitaria violascens Link to eat their piths and conices. This pest has one generation each year and overwinters as mature larva in thewitheted grass'stalk. |
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| Keywords: | Anadastus longior Arrow bionomic Cycas revoluta Thumb |
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