东方金龟子属鞘翅目,金龟子科.成虫取食苹果、梨、桃、山楂等果树的嫩芽、幼叶和花朵,也为害杨柳等林木。一年发生一代,以成虫在土壤内越冬。据观测,3月下旬到4月上旬连续5日平均气温9.8℃以上,成虫开始出土,4月中下旬当气温达17.2—23℃时,为成虫出土盛期,阴雨大风天气,粘重土 Oriental beetles are Coleoptera, beetles Section adult eating apple, pear, peach, hawthorn and other fruit trees buds, young leaves and flowers, but also the damage willow trees. One generation a year to adult wintering in the soil. According to the observation, from the end of March to the first ten days of April, the average temperature of 9.8 ℃ above the fifth consecutive day, adults began to unearthed. In mid to late April, when the temperature reached 17.2-23 ℃,