防治桃树扁平球坚蚧扁平球坚蚧属同翅目蚧科，又名东方盔蚧，危害多种果树和林木。以若虫、成虫危害枝叶和果实１９９０－１９９２年平谷县每年有近万亩桃树受害，严重地块，１０ｃｍ长一年生枝平均有虫２１．６头，造成新梢基部１－１０片叶变黄脱落。果实受害时，果底及... Prevention and treatment of peach flat ball Kennedy flat ball Kennel is a homopteran Kuwana Branch, also known as the East helminthes, endangering a variety of fruit trees and trees. Nymphs and adults endanger foliage and fruits 1990-1992 Nearly 10,000 mu of peach trees are damaged in Pinggu County every year. In an area of ​​10 cm long, an average of 21.6 pests per year are born, resulting in 1-10 leaves of shoots turning yellow at the base of shoots Off. Fruit damage, fruit bottom and ...