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白蜂叶蜂 Macrophya fraxina Zhow et Huang是白蜡树叶的严重害虫.大量发生时常将树叶吃光,使白蜡林枯黄,似火烧过一般.据不完全了解,在四川省乐山地区的峨眉、洪雅等县都有发生.近年来在峨眉县川主公社顺河蜡林内连年猖獗成灾,不仅影响蜡树生长,而且在为害白蜡树叶时,将“定叶”蜡虫一齐吃去,给白蜡生产造成损失.为了弄清其生物学特性和找到有效防治措施,于1977、1980年在峨眉县进行了研究,现将结果整理如下:
Macrophya fraxina Zhow et Huang is a severe insect pest of ash leaves, which are often eaten in large quantities, causing the white wax forest to become yellowish and seem to have burnt in general. According to incomplete information, Emei, Hongya, etc. in Leshan, Sichuan Province County have occurred in recent years in Emei County, the main commune Shunhe wax forest in successive years rampant disaster, not only affects the wax tree growth, but also in the destruction of ash leaves, the “fixed leaf” together eat wax and worm to white wax production Loss.In order to clarify its biological characteristics and find effective prevention and control measures, in 1977 and 1980 in Emei County conducted a study, the results are summarized as follows: