牡丹、芍药、凤仙花、非洲凤仙花、合果芋、海芋、金银花、金叶薯、繁星花、栀子花等花木一直被大量地应用于园林绿化上,但近年来却常见其受到一种害虫——芋双线天蛾的侵害。芋双线天蛾,也称凤仙花天蛾,属于鳞翅目,天蛾科,斜纹天蛾属。在江苏,其一年发生1至2代。芋双线天蛾的成熟幼虫能钻土打洞。故其幼虫在高龄后停止取食,并钻入土中,或者是在枯枝落叶的下面吐丝卷叶成1蛹室,结粗茧,化蛹,越冬。通 Peony, peony, impatiens, African Impatiens, cola, arum, honeysuckle, golden potato, star flower, gardenia and other flowers and trees have been widely used in landscaping, but in recent years it is common Invaded by a pest - taro moth. Taro double line moth, also known as Impatiens moth, belonging to Lepidoptera, moth family, twig moth. In Jiangsu, one to two generations occur a year. Mature larvae of Monochamus alternatus can drill holes in the soil. Therefore, the larvae stopped feeding after the old age, and drilled into the soil, or in the twigs under the litter leaves into a pupa chamber, knot callus, pupation, winter. through