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在野外系统调查了大猿叶虫的蛰伏场所和时间。结果表明 ,所有越冬和越夏成虫均入土蛰伏 ,入土深度为 9～ 31cm;蛰伏时间春季世代在 4月下旬到 6月中旬 ,秋季世代在 9月中旬到 12月下旬
In the field system, the dormant sites and time of large-leaf-worm were investigated. The results showed that all overwintering and over-summer adults were dormant into the soil, the soil depth of 9 ~ 31cm; dormant time in spring from late April to mid-June, autumn generations in mid-September to late December