In order to master the occurrence regularity of Monochamus alternatus and Arhopalus rusticus Linnaeus adults, ten traps were hunged on Daiwang Mountain. By counting the adults, the result showed that the initial stage of Monochamus alternatus adults was in mid-late May, the initial flourish stage was in mid-late June, the peak stage was in middle of July, the end flourish stage was in late August, the end stage was in late October.And the initial stage of Arhopalus rusticus Linnaeus adults was in early-mid May, the initial flourish stage was in in mid-late June, the peak stage was in middle of August, the end flourish stage was in early September, the end stage was in late October.%为掌握松褐天牛、褐梗天牛成虫发生规律, 在烟台市莱山区岱王山布设诱捕器10套, 定期清点记录诱捕到的成虫数量.结果表明, 松褐天牛成虫在莱山区始见期为5月中下旬, 始盛期为6月中下旬, 盛期为7月中旬, 盛末期为8月下旬, 末期为10月下旬;褐梗天牛成虫在莱山区始见期为5月上中旬, 始盛期为6月中下旬, 盛期为8月中旬, 盛末期为9月上旬, 末期为10月下旬.
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