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日本松干蚧(Matsucoccus matsumuraeKuwana) 是松树的重要害虫之一,在辽宁、山东、江苏、浙江等省的沿海地区,曾大面积成灾。近几年来,此虫在苏州和无锡也引起了大面积松林死亡,而在近内地的安徽青阳县、江苏溧阳县和南京市等地,虽已发现了松干蚧,但危害很轻或有虫不成灾。如溧阳县的龙潭林场已连续十一年有虫不成灾。1982年10月我们在上述地区进行了大量的接虫试验,翌年4月调查,松干蚧寄生若虫的虫口密度为5.36
Japanese pine scale (Matsucoccus matsumurae Kuwana) is one of the important pests of pine trees. It has been greatly damaged in the coastal areas of Liaoning, Shandong, Jiangsu and Zhejiang provinces. In recent years, the insects also caused a large area of pine forest death in Suzhou and Wuxi. Although pine mulberry scales have been found in Qingyang County of Anhui Province, Liyang County of Jiangsu Province and Nanjing Municipality in the near inland, they are very harmful or have insects No disaster. For example, Longtan Forest Farm in Liyang County has been unprovoked for eleven consecutive years. In 1982 October we carried out a large number of pest-borne tests in the above-mentioned areas. In April of the following year, the density of parasitic nymphs in Songsapra chinensis was 5.36