马鞍山市园林植物捕食性天敌瓢虫的调查与利用

摘要

通过对马鞍山市区园林植物捕食性天敌---肉食性瓢虫的调查和分析，筛选出了3种优势天敌瓢虫，即龟纹瓢虫、黑襟毛瓢虫和异色瓢虫，摸清这3种瓢虫的发生规律后，针对园林中常见虫害类型，对优势天敌瓢虫进行了饲养，并在园林虫害发生时投放，以为园林植物害虫的生物防治提供指导。%Through the investigation of urban garden plants predators:carnivorous ladybugs ,screened out three dominant predators ladybugs , including Propylea japonica Thunberg,Scymus hoffmanni Weise,Harmonia axyridis Pallas.After finding out the law of the occurrences of these three ladybugs,when the common garden pests types occurs,put in the feeding. Which could provide guidances for the biological control of insect pests of garden plants.