论文部分内容阅读
茶小绿叶蝉(Empoasca flavescens Fabric-ius)历年来是威胁我省茶树的最大害虫。它发生广、繁殖快,如防治不及时,往往会造成很大的损失。如1977年英德县大湾公社鸡蓬大队,因此虫为害,第二轮茶无收。小绿叶蝉主要为害茶树嫩梢。成虫、若虫以刺吸式口器刺入嫩梢皮层,吸取汁液,使嫩梢萎缩,叶片硬化,叶沿或叶尖枯焦,影响产量和质量。此虫除为害茶树外,还为害花生、猪屎豆、棉花、桃、十字花科蔬菜等多种作物。一、形态特征与生活习性
Empoasca flavescens Fabric-ius has been the biggest pest that has threatened tea plantations in our province for years. It occurs widely, multiply fast, such as prevention and treatment is not timely, often cause great losses. As 1977, Yingde County, Tai Wan commune Jidong brigade, so pest damage, the second round of tea confiscated. Small green leafhopper mainly harmful to tea shoots. Adults and nymphs penetrate into the shoots of young shoots at the mouth piercing mouthparts, draw juice, shrink young shoots, and harden the leaves. The leaves are scorched along the tip of the leaves and affect the yield and quality. In addition to the pest damage to tea, but also pests damage, pig croton beans, cotton, peach, cruciferous vegetables and other crops. First, the morphological characteristics and lifestyle