白榆是河南省安阳县主要用材树种，近几年来，白输受脐腹小蠹台虫ScolytusschevyrewiSemenov危害，日趋严重。由于目前国内对该虫的发生发展规律未有报道，给我们的防治工作造成了很大困难。为摸清其发生危害规律，在中国科学院动物研究所昆虫组的指导下，我们对该虫进行了生物 Ulmus Anyang County, Henan Province, the main timber species, in recent years, white transplanted Oshapius beetles ScolytusschevyrewiSemenov endangering, increasingly serious. Due to the current domestic laws on the occurrence and development of the insects have not been reported to our prevention and control work has caused great difficulties. In order to find out the law of its occurrence, under the guidance of the insect group of Institute of Zoology, Chinese Academy of Sciences,