黄杨粕片盾蚧生物学特性、发生动态及其防治研究  

STUDIES ON THE BIONOMICS AND POPULATION DYNAMICS OF Parlagena buxi(TAKAHASHI)AND ITS CONTROL

作　　者：高宝嘉[1] 李英华[1] 崔巍[1] 李俊英[1] 

机构地区：[1]河北农业大学林学院

出　　处：《河北林果研究》1997年第3期250-254,共5页Hebei Journal of Forestry and Orchard Research

摘　　要：黄杨粕片盾蚧在北方严重为害小叶黄杨，１ａ发生２代，多以成虫、部分以２龄若虫越冬。第１代１龄若虫高峰日为５月１２～１６日，第２代１龄若虫盛期为７月下旬，以第１代发生较为整齐。该蚧虫在小叶黄杨上主要分布于１ａ生枝叶，并以１龄若虫逐年向新生枝叶主动扩散，在较大范围内扩展较快，在３～４ａ内可造成严重为害。对其防治的关键时期是１龄若虫活动期和雄成虫期。喷洒４０％氧化乐果１０００倍液、洗衣粉５００倍液防治１龄若虫及雄成虫，根施１０％铁灭克、４０％氧化乐果５０倍液防治１龄若虫，虫口减退率可达９０％以上。Parlagena buxi(Takahashi)damages littleleaf box(Buxus microphlla Sieb. et Zucc.)severely in noth China.It has two generations per year and overwinters with female adults and a part of second instar nymphs.The accurrence peak period of the first instar nymphs in the first generation occurs uniformly from 12 to 16 of May and in second generation in last decade of July.The pests are mainly on oneyearold twigs.They spread actively year by year to the newly grown twigs with the first instar nymphs and expand the population fast in a large range,so that they can bring about severe damage to box in 3 to 4 years.The key periods of controlling them are the first instar nymph and male adult.Omethoate and detergent powder are applied to control the first instar nymphs and male adults by spraying,and aldicarb and omethoate are used to control the first instar nymphs by soil treatment can make the population reducing by over 90 percent.

关 键 词：生物学特性 发生动态 防治 黄杨粕片盾蚧 杨树 

分 类 号：S763.721.1[农业科学—森林保护学]