花椒树是我国主要经济树种之一,近年发现被二斑黑绒天牛危害十分严重,据初步调查该种天牛仅为害花椒树,其形态(成虫除外)及生物学特性国内尚无报道,现将1982—1983年的初步观察结果报道于下分布及为害二斑黑绒天牛 Embrik-Strandia bi-maculata(white)属天牛科 Cerambyci-dae、天牛亚科 Cerambycinae。分布于平顶山、舞阳、宝丰、济源、信阳、洛阳。在危害严重的平顶山西区高庄大队林场调查300株花椒树,被害株率达90%。其中半枯 Zanthoxylum bungeanum is one of the major economic tree species in our country. In recent years, it has been found that it is severely endangered by Beauveria bassiana. According to the preliminary investigation, the species of Celastrus nipponense is only for the damage of Zanthoxylum bungeanum and its morphology (except adults) and its biological characteristics have not been reported domestically. The preliminary results of 1982-1983 are reported as follows: Embrik-Strandia bi-maculata (white) belongs to Cerambyci-dae and Cerambycinae. Located in Pingdingshan, Wuyang, Baofeng, Jiyuan, Xinyang, Luoyang. In the seriously endangered Pingdingshan West Gaozhuang Brigade forest field investigation 300 Zanthoxylum bungeanum trees, the victim strain rate of 90%. Half dry