| ,2014,广聚萤叶甲在豚草上的空间分布[J].环境昆虫学报,(6):1071-1076 |
| 广聚萤叶甲在豚草上的空间分布 |
| Spatial distribution of Ophraella communa on Ambrosia artemisiifolia |
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| DOI： |
| 中文关键词: 广聚萤叶甲 豚草 空间分布 |
| 英文关键词:Ophraella communa Ambrosia artemisiifolia spatial distribution |
| 基金项目:国家自然科学基金（31171908） |
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| 中文摘要: |
| 广聚萤叶甲Ophraella communa LeSage是恶性入侵杂草豚草Ambrosia artemisiifolia L的一种重要天敌，为了了解广聚萤叶甲卵、幼虫、蛹、成虫在豚草上的分布情况，本文对各虫态广聚萤叶甲在豚草植株上的空间分布进行了调查。调查结果表明，各虫态广聚萤叶甲在豚草上的空间分布均为聚集分布；不同受害程度豚草植株上各虫态广聚萤叶甲主要分布于上部和中部。就不同受害程度豚草植株上同一虫态广聚萤叶甲而言，卵比例随受害程度的加重逐步递减，幼虫和蛹的比例则逐步增加。由此可见，广聚萤叶甲为了确保后代能获得更充足的食物，成虫倾向于在受害程度较轻的植株上产卵。 |
| 英文摘要: |
| Ophraella communa LeSage is an important natural enemy of the vicious invasive weed Ambrosia artemisiifolia LIn order to understand distribution of eggs, larvae, pupae and adults of O communa in Aartemisiifolia, the spatial distribution of Ocommuna in different stages on Aartemisiifolia plants were investigated in this paper Results showed that the spatial distribution of different stages of Ocommuna on Aartemisiifolia belonged to aggregated distribution Different stages of Ocommuna preferred to live in upper and middle leaves on different damaged-degree plants As far as the same stage of Ocommuna on different damaged-degree plants, the percentage of eggs gradually decreased, while the proportion of larvae and pupae increased with the degree increasing of damaged plants Obviously, O communa adults tend to lay eggs on lesser damaged plants in order to provide ample foods for their offspring |
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