消灭金龟子成虫,可以利用下面两点:一是取食花蜜期,樟树开花期恰逢金龟子出土时。金龟子成虫在取食树叶以前,一般都集中到樟树上取食花蜜。求偶交配。晚上七点半前后,树上金龟子的嗡嗡声,箭步可闻。二是食物选择性,当有泡桐、法国梧桐、水杉、池杉、油桐、油茶、梨等多种植物同时存在时,水杉是最佳植物,其次是泡桐、梨树。湖南邵阳地区林科所,根据其上述特点,采取两种措施:一、捕捉。在四月下旬,当金 Eradication of beetles adult, you can use the following two points: First, feeding nectar period, camphor tree flowering coincides with the release of beetles. Before eating leaves, beetle adults generally concentrate on camphor trees and eat nectar. Courtship mating. Around half past seven in the afternoon, the beetle buzzed in the trees and could be heard stride. The second is food selectivity. When paulownia, sycamore, metasequoia, Ipomoea cairica, tung tree, camellia, pear and other plants exist at the same time, Metasequoia is the best plant, followed by paulownia and pear tree. According to the above-mentioned characteristics, the Forestry Branch of Shaoyang in Hunan Province adopts two measures: First, capture. In late April, when the gold