日本龟蜡蚧(Ceroplastes japonicusGreen)食性杂,寄主广,主要危害柑桔、茶花、枣、苹果、梨、茶等,近年发现也危害杉树,其排泄物能引起煤病,妨碍植株的光合作用。1979年江西宜春县林科所1000多亩6—7年生杉林,因此虫危害受到很大损失。雌成虫体椭圆形,长1.5—5毫米,触角3节,少数5节或7节,眼突出在触角基部前。口针 Ceroplastes japonicusGreen food habits, host wide, the main hazard citrus, camellia, date, apple, pear, tea, etc., also found in recent years also endanger the cedar, the excrement can cause coal disease, hinder plant photosynthesis . In 1979 Jiangxi Yichun County Forestry Branch of 1000 mu 6-7 year-old fir forest, so the worm damage suffered great losses. Female adult body oval, 1.5-5 mm long, three antennae, a few 5 or 7, the eye prominent in the antennal base before. Stitch