泡桐是我区主要速生用材树种,近年来由于泡桐网蝽(Eteonus angulatus Drakeet Maa)大面积发生,使林木早期落叶,甚至整株枯死。据鲁山县瓦屋公社楼子河大队调查,最高虫口密度(胸径10—15厘米)达25万头。我们曾对该虫进行了定点观察和防治试验,现将结果报道如下。 Paulownia is the main species of fast-growing timber in our district. In recent years, because of the large area of ​​Eteonus angulatus Drakeet Maa, the trees are deciduous and even the whole plant is dead. Lushan County, according to House Commune Louzai River Brigade investigation, the highest population density (diameter 10-15 cm) up to 250,000. We have conducted a fixed-point observation of the pest and prevention and control tests, the results are reported below.