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在进口美国原木中,发现我国尚未发现的林木害虫脊沟缝锤小蠹(Gnathotrichusretsusu Leconte)。该虫是1987年9月进口美国原木云杉中发现的。此虫经鉴定为小蠹科(Gnatho trichus Eichhoff)属。现介绍如下:寄主:可能发生在分布区内所有针叶树上;桤木属 Alnus spp 树上也有发生。分布:加拿大—大不列颠哥伦比亚南部,美国——美国西部,可能已进入墨西哥。
In the United States imports of logs, found in our country has yet to be found in forest pests Spine ditch hammerhead (Gnathotrichusretsusu Leconte). The worm is found in September 1987 imported American spruce logs. This pest was identified as the family Beetles (Gnatho trichus Eichhoff) genus. Now described as follows: Host: may occur in all conifers in the distribution area; Alnus spp tree also occurred. Distribution: Canada - southern British Columbia, United States - western United States, may have entered Mexico.