近10年来,我市蜚蠊危害日趋严重,旅馆、医院、城乡居民家室以及火车、轮船、飞机都受到其侵害。为探讨我市蜚蠊的季节消长为防病提供依据,我们于1987—1998年期间,在宁波地区开展6次数量消长调查。现将结果报告如下。1 调查方法1.1 调查地点 在宁波辖区11个县的东、 In the past 10 years, the city has become more and more serious. As a result, hotels, hospitals, urban and rural residents, trains, ships and airplanes have been infringed upon. In order to explore the season of cockroaches in our city, the decline of population provided the basis for disease prevention. During the period of 1987-1998, we carried out six quantitative growth surveys in Ningbo. The results reported below. A survey method 1.1 Survey Location 11 counties in Ningbo area east,