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木瓜海棠,常叫酸木瓜,是目前我国园林绿化中广泛栽植的一种集花果观赏于一体的落叶小乔木,也是日本龟蜡蚧的寄主之一。日本龟蜡蚧(Ceroplastes japonicus Green)属同翅目蚧科,又名日本蜡蚧,在我国河北、河南、山东、陕西、福建、广东等多省均有分布,寄主植物分属30余科。日本龟蜡蚧以若虫和雌成虫聚集枝干和叶片刺吸汁液,排泄物能诱发煤污病,导致植株衰弱、早期落叶,甚至枯萎死亡,严重影响林果、花木的观赏和经济价值。
Papaya Begonia, often called sour papaya, is one of the small tree deciduous trees in China that is widely planted in landscaping at present. It is also one of the hosts of Japanese turtle scale. Ceroplastes japonicus Green belongs to the family Homoptera, also known as the Japanese wax scale. It is distributed in many provinces such as Hebei, Henan, Shandong, Shaanxi, Fujian and Guangdong. The host plant belongs to more than 30 families. Japan turtle scale to nymphs and female adults gather branches and leaves sucking juice, excrement can cause coal pollution, leading to plant weakness, early deciduous, and even wither death, seriously affecting the ornamental fruits and flowers and the economic value.