在河北顺平县首次发现和报道粮食仓储害虫——大黑粉盗[Cynaeus angustus(LeConte)]。对大黑粉盗成虫的_形态特征、为害特点、发生分布规律进行了调查。发现该虫喜好在储粮场所、加工车间、晾晒的玉米穗、农户窗前及门槛角落聚集;主要以成虫排泄物、尸体影响仓储粮食质量,使其产生霉变。另外,大量成虫聚集于农户室内,严重干扰居民生活。针对其为害,提出了综合防治建议。 Cynaeus angustus (LeConte)], the first storage and storage pest in Shunping County, Hebei Province, was first reported and reported. Investigation on the _ morphological characteristics, pest damage characteristics and occurrence distribution rules of the adults of Larvae were carried out. It was found that the insects preferred to accumulate in grain storage sites, processing workshops, dried ear of corn, window in front of farmers and at the threshold of the threshold; the main body of adult worms affected the quality of warehousing and mildew of the warehoused grain. In addition, a large number of adults gathered in the farmers indoors, seriously disrupting the lives of residents. Against its harmful effects, put forward a comprehensive prevention and control recommendations.