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杀灭松褐天牛 (ＭｏｎｏｃｈａｍｕｓａｌｔｅｒｎａｔｕｓＨｏｐｅ)是防治松材线虫病 (Ｂｕｒｓａｐｈｅｌｅｎｃｈｕｓｘｙ ｌｏｐｈｉｌｕｓ)的有效手段之一。松材线虫病引起松树枯损 ,1979年在日本达到了最高峰 ,以后虽然逐年减少 ,但每年的枯损量仍在 10 0万ｍ3 左右。目?
Killing Monochamousternatus Hope is one of the effective measures to control Bursaphelenchus xylophilus. Pine wood nematode caused pine litter loss, reached its peak in Japan in 1979, and although it decreased year by year, the annual loss is still about 10 million m3. Head