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松扁叶蜂(Acantholyda Pinivora Enslin)~*属膜翅目,扁叶蜂科~([1]),在国内首次发现于山东省天麻林场,1967年在山西省壶关县树掌林区,为害平均树高8米,平均直径14厘米,40—50年生的油松(Pinus tabulaeformis)次生林,发生面积近200亩,现今已蔓延成灾达3万亩,并向油松人工幼林蔓延为害,是松树的严重害虫之一。松树受害后,重者像火烧过一样,若连续受害2—3年,则林木干枯死亡。为此,我们于1977一1978年对这种害虫的生物学特性及其防治方法进行了调查研究。现将结果报道如下。
Acantholyda Pinivora Enslin ~ * is a hymenoptera, flat-leaf bee Division ~ ([1]), was first discovered in Tianma Forestry Center in Shandong Province, 1967 in Shuguan County, Shanxi Province, The mean tree height is 8 meters and the average diameter is 14 centimeters. The secondary forest of Pinus tabulaeformis 40-50 years old has an area of nearly 200 mu. Now it has spread to 30,000 mu of disaster and spread to young plantation of Pinus tabulaeformis. It is one of the serious pests of pine trees. After the pine tree is damaged, the heavy ones are like the fires, and if they suffer for 2-3 years continuously, the trees die dead. To this end, we conducted a study of the biological characteristics of pests and their control methods from 1977 to 1978. The results are reported below.