【摘要】 <正>在我国,竹类是一类广为栽植的经济林和用材林树种,同时也发展成为城市园林重要的观赏植物,而竹蚜是竹林的一类重要害虫,常造成竹林生长衰退,进而引发的竹林霉污病可进一步加剧竹林残败,并降低城市园林竹类的观赏价值。据安徽皖东竹林更多还原

【Abstract】 Taraka hamada is an important natural enemy of the bamboo aphids.In order to promote the potential of T.hamada in being used as a bio-control agent for aphids,a field investigation and laboratory bioassaiy were conducted.Several parameters,including frequency,abundance and daily consumption,and control effect,were measured.The results showed that T.hamada had a similar dynamics as aphids did in bamboo.The frequency and abundance of T.hamada were significantly higher than that of other three aphid natural enemies,Harmonia axyridis,Episyrphus balteatus and Chrysopa formosa.Both of daily consumption and control effect of T.hamada were obviously higher than that of other natural enemies.更多还原