蟑螂分布极广,世界各国、城乡各地都有。由于气候、地理和孳生繁殖的条件不同。某些品种在适合的地方就生长、繁殖;危害工农业生产;传播疾病;污染食品,留下特殊的臭味,令人恶心;并且还钻到雷达、电迅设备、炮眼、潜水艇中去,影响交通、通迅、国防,是当今世界各国的公害之一。工业发达的国家已经消灭苍蝇和蚊子,但是 Cockroaches widely distributed in all countries in the world, urban and rural areas have. Due to different climate, geography and breeding conditions. Some species grow and reproduce where appropriate; endanger industrial and agricultural production; spread disease; contaminate food, leaving a special odor, disgusting; and also drill into radars, teledevices, blastholes, submarines Influencing traffic, communications and national defense is one of the public hazards in various countries of the world today. The industrially developed countries have eliminated flies and mosquitoes, however