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(一) 盛产茶杆竹的广东省怀集县,自1964年7月以来严重发生竹斑蛾(Artona funeralis Butler)。初龄幼虫群居叶背吃竹叶的下表皮和叶肉,残留上表皮成为不规则之块状或长条形的白带;二龄以后开始分散,日夜吃叶片仅留叶脉,有的全叶吃光,不仅影响光合作用,长势不良,且出笋减少而孱弱。一般8年生长的老竹被害轻者秃顶,重者枯死。据(土幻)仔公社的78岁老贫农黎思卿说:“我见过此虫发生4次,约20年一次,夏至(6月)开始大片竹叶被吃光而枯死,失收5年”。
(1) Huaiji County, Guangdong Province, which is rich in tea stems and bamboos, has suffered a serious occurrence of Artona funeralis Butler since July 1964. The first instar larvae of the leaf back to eat the lower epidermis and leaves of bamboo leaves, the residue on the epidermis became irregular lumps or long strip of leucorrhea; began to disperse after the second age, day and night to eat leaf leaves only veins, and some full-leaf eclipse , Not only affect photosynthesis, poor growth, and bamboo shoots reduced and weak. The general growth of old bamboo eight years were light bald, heavy dead. According to Li Siqing, a 78-year-old poor farmer who lives in the Commune (土幻)): “I have seen this pest occur 4 times in about 20 years. When the summer solstice (June) begins, large bamboo leaves are eaten and died, losing 5 years” .