浅谈昆虫演化的初步研究(1)

更新时间:2023-07-02 18:32:57 阅读: 评论:0

浅谈昆虫演化的初步研究
作者:王尚文 暗棋版军旗梁才
来源:《中国教师与教育教研》2013年第05
infml        【摘要】2006年冬季在广西乐业县扩种的80公顷西南桦林分中发现144452种昆虫和9种其它动物,害虫有23种;天敌有鸭子英文19开口笑怎么做种;中性动物有19种。西南桦上的昆虫大部分是从原生态林木和植被上转移过来的,由于原寄主消失使其食性发生演化,迫不得已只有取食西南桦,演化适应较成功的有多食性黛袋蛾、大茶袋蛾、茸毒蛾,已成为西南桦的主要食叶害虫。桦小蠹目前是西南桦幼林最致命的钻蛀害虫,特别在山脚发生严重,枯死率有7%。 
        【关键词】西南桦扩种;昆虫;演化
        After the southwest birch expands plants the preliminary study which the inct evolves 
        Chen Shangwen; Liang Cai 
做梦梦到打架        lol游戏名一年级英语下册AbstractIn 2006 the winter expands in 80 hectare southwest birch Judeich in the
Guangxi Leye County who plants to discover 14 item 44 branch 52 kind of incts and 9 kinds of other animals, the harmful inct has 23 kinds; The natural enemy has 19 kinds; The neutral animal has 19 kinds. On the southwest birch's inct majority is shifts from the original ecology forest and the vegetation, becau original host vanishing caus its feeding habits to have the evolution, has no recour only then takes southwest the food the birch, the evolution adapts successfully has the polyphagy black eyebrow coloring bag moth, the big tea-bag moth, deer velvet the tussock moth southwest, has become birch's main food leaf harmful inct. The birch small bookworm at prent is southwest the birch young growth most fatal drills eats the harmful inct, occurs specially in the foot of a hill riously, los plant rate has 7%. 
>月球的奥秘

本文发布于:2023-07-02 18:32:57,感谢您对本站的认可!

本文链接:https://www.wtabcd.cn/fanwen/fan/89/1064917.html

版权声明:本站内容均来自互联网,仅供演示用,请勿用于商业和其他非法用途。如果侵犯了您的权益请与我们联系,我们将在24小时内删除。

上一篇:Under low shoes
下一篇:Bench for forging
标签:西南   演化   昆虫   发生
相关文章
留言与评论(共有 0 条评论)
   
验证码:
推荐文章
排行榜
Copyright ©2019-2022 Comsenz Inc.Powered by © 专利检索| 网站地图