摘要
每年七八月,由于蚱蝉产卵,导致城市绿化树木如垂柳、花桃的新梢大量枯死。蚱蝉若虫在土壤中可存活4 a左右,靠刺吸植物根部为生;其成虫活动期,靠刺吸枝干汁液为生。可见,蝉是绿化树木的一大害虫。介绍了蚱蝉的生物习性以及城市景观区蚱蝉的无公害防治措施。
A large number of shoots of urban landscape trees such as weeping willow and peachblossom die in July and August because of Cryptotympana atrata spawning.The nymph could survive about four years in soil with sucking the plant roots.The adult mainly suck the branch sap.It is a main pest of landscape trees.The biology characters and harmless control measures in urban land scape area are introduced.
出处
《河北农业科学》
2010年第2期32-33,共2页
Journal of Hebei Agricultural Sciences
关键词
城市
绿化树木
蚱蝉
为害
无公害控制法
City
Landscape tree
Cryptotympana atrata
Hazards
Harmless control method
