松片圆蚧在上海地区一年发生3～4代,以第三代受精雌成虫和第四代二龄若虫在罗汉松叶片上越冬,各代若虫发生或分别在5月上旬～7月下旬;7月下旬～10月上旬;9月中旬～11月下旬;10月中旬～11月下旬。本文还提出了重点防治第一代松片圆蚧的建议,并分析了“敌故灵”的药效试验。 Occipital scale in Shanghai area occurred 3 to 4 generations a year to third generation fertilized female and fourth generation second instar nymphs in Podocarpus winter winged, nymphs of each generation or in early May to late July ; Late July ~ early October; mid-September ~ late November; mid-October ~ late November. This article also puts forward the proposal of preventing and controlling the first generation of Chimonobambusa chinensis, and analyzes the efficacy test of “Chivalrous Creator”.