空心莲子草叶(虫甲)原产阿根廷,是空心莲子草的天敌。1987年由美国佛罗里达州引入北京,在室内用代表21个科的39种主要经济作物、观赏植物及与空心莲子草近缘或形态相似的植物,进行了叶(虫甲)食性测验,结果表明:该天敌为单食性,除自然寄主外,不取食其它植物;在人为强制饥饿条件下,仅轻微取食马齿苋、白菜、莴苣,但不能完成生活史。这种天敌在我国可以安全利用。 Alternanthera philoxeroides (insects) origin Argentina, is the natural ene of Alternanthera philoxeroides. Introduced to the United States in 1987 from Beijing, the United States, the indoor use of the branch representing 39 kinds of 39 kinds of major cash crops, ornamental plants and aerial parts of Alternanthera philippinensis or morphology similar to the leaf (pest) feeding test showed that : The natural enemy is a simplex, in addition to the natural host, do not feed other plants; under artificial forced hunger, only a small amount of purslane, cabbage, lettuce, but can not complete the life history. This natural enemy can be safely used in our country.