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为摸清我市蝇类孳生情况,做好灭蝇工作,我们于1989年3～9月和1990年4～11月,对我布部分特殊行业进行了调查。一、调查点:选择蝇类复杂、密度较大的食品加工、白酒厂、调味品厂、肉食品加工及淀粉厂等特殊行业单位,分别位于市区东北、西南,基本能反映全市蝇类情况。二、调查方法:以蝇源地孳生为主,采用笼诱法,每旬调查一次,每次以250g腐刀鱼为诱饵,将
In order to find out the flies breeding situation in our city and do a good job in killing flies, we conducted a survey on some special industries in our country from March to September 1989 and from April to November 1990. First, the survey point: Select fly complex, more dense food processing, liquor factory, condiment factory, meat processing and starch plants and other special industries units, respectively, located in the urban northeast and southwest, can basically reflect the city’s flies . Second, the survey method: breeding to the main source of flies, cage induction method, once every ten days to investigate, each with 250g scorpond bait, will be