摘要
根据调查,明确了苏州市园林植物病虫害主要天敌昆虫种类,主要是鞘翅目的瓢虫:如七星瓢虫、多异瓢虫、二星瓢虫、异色瓢虫、双七瓢虫、十一星瓢虫、褐斑和瓢虫等。通过调查统计,瓢虫平均数占已发现天敌种类的70%左右,其中又以多异瓢虫为最多,占瓢虫总数的55.2%,十一星瓢虫占20.0%,褐斑瓢虫占10.6%,其他几种占14.2%;其次是草蛉,如中华丽草蛉等,占已发现天敌种类的20%左右;其它天敌如食蚜蝇等占10%左右;另外,根据调查,害虫优势种主要有叶蝉、蚜虫、网蝽、红蜡蚧、粉虱等。这些害虫有明显的季节性演替现象,而天敌资源具有明显控制害虫的作用。
According to the investigation,made clear Suzhou city garden plant diseases and insectpests of major natural enemies insect species：mainly Coleoptera Coccinellidae：such as ladybugs,Hippoda-mia variegata,Adalia bipunctata,Harmonia axyridis,double seven ladybird,ladybird,ladybird eleven star speck-le and etc.. Through investigation andstatistics,the average number of accounts for the ladybug has beenfound about 70% species of natural enemies,and the case of Hippodamia variegata was the most,account-ing for 55.2% of the total number of Ladybugs,eleven species of ladybirds accounted for 20.0%,brown bee-tles accounted for 10.6%,accounted for 14.2%;followed by the lacewing,such as gorgeous green lacewing,ac-counted for have been found around the 20% species of natural enemies;other predators such as hoverflies ac-counted for about 10%;in addition,according to the survey,the advantage pests mainlyleafhoppers,aphids,Tingi-dae,Ceroplastes Rubens,whitefly.These pests have seasonal succession phenomenon is obvious,and the resourcesof natural enemies of pest control has obvious effectl.
出处
《安徽农学通报》
2015年第5期16-19,共4页
Anhui Agricultural Science Bulletin
基金
2014年江苏省大学生实践创新训练项目
关键词
苏州市
园林植物
病虫害
天敌资源
保护利用
Suzhou city
Garden plants
Pests and diseases
Natural enemy resources
Protection and utilization
