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水木坚蚧Parthnolecanium orientalis Borchscnius,又名扁平球蚧。据在郑州地区初步调查,主要为害洋槐、糖槭、法桐、桃、杏、葡萄、苹果、梨等林木及果树。 1963年春,当若虫开始活动、树叶尚未萌发前,在室内药剂拭验,以5°石硫合剂杀伤效果是好,死亡率达98.4％;其次为1605的2000倍液,死亡率88.4％;蒽油乳剂及1059效果较差,分别为55.4％及40.2％。
Parthenolecanium orientalis Borchscnius, also known as flat ball scale. According to a preliminary survey in Zhengzhou, the main damage to acacia, sugar maple, Fatong, peach, apricot, grapes, apples, pears and other trees and fruit trees. In the spring of 1963, when the nymphs started to move and the leaves had not yet germinated, the killing effect was good with 5 ° stone sulfur mixture in the indoor pharmacy wipe test, the mortality rate was 98.4%, followed by the 2000 times with 1605 times, the mortality rate was 88.4% Oil emulsion and 1059 less effective, respectively, 55.4% and 40.2%.