Controlling breeding grounds, eliminating breeding grounds and leaving flies nowhere to breed are the keys to controlling flies. 1, environmental governance:
(1) Garbage disposal: The exposed garbage often becomes a small breeding ground for flies, and if there are suitable conditions, flies can multiply in large numbers. Therefore, closed trash cans (boxes) should be adopted, and daily cleaning can be effectively realized. Clean the bottom every time after taking out the garbage, and it is best to clean the trash can again. At the same time, when dumping garbage, waste (such as fish intestines, chicken intestines, meat, etc. ) The kind of plastic bag that is easy to attract flies to breed, tie the bag tightly and throw it down, so that flies can't directly contact and lay eggs. Garbage passages should be cleaned daily and the bottom should be cleaned. In addition, insecticides with fumigation function can be used in the passage to poison the incoming adult flies.
(2) Flower fertilizer treatment: A large number of fly maggots (pupae) are easily produced by applying raw fertilizer, such as burying small animal carcasses, internal organs, children's feces and other wastes under flower beds and covering flower pots with egg shells. Therefore, the use of raw fertilizer should be prohibited, and the breeding maggots (pupae) should be removed by changing pots. Flowers and plants that can withstand water immersion can be soaked in the sink for 2-4 hours to drown the fly maggots (pupae); Flowers and plants that are not resistant to flooding can be watered with 0. 1% trichlorfon solution.
(3) Disposal of pets: If pets' nests and excreta are not cleaned in time and are not handled properly, flies will also breed. Therefore, the pet nest should be cleaned regularly and the feces should be cleaned daily.
(4) Dredge the drainage ditch in time, remove the accumulated objects, and regularly clean up the sanitary corner.
(5) The ground and surface polluted by aquaculture organisms should be cleaned in time.
(6) Sauce, sauce products and pickle jars should be sealed and stored.
2. Chemical control
(1) Killing larvae: organophosphorus compounds such as diazinon, cartap, fenthion, malathion and trichlorfon can be used; Carbamates and light-resistant pyrethroids. In addition, for maggots that have been bred in small containers or closed places such as household trash cans, pots, cans and beverage barrels (drums), in addition to drug treatment, they can be killed by simple methods such as soaking in boiling water or cold water, and then properly disposed of.
(2) Kill adult flies
A. Spraying pesticides: outdoors, it is often applied to the surface of garbage dumps, the surface of surrounding and nearby vegetation, the outer wall of toilets, the outer wall of garbage bins (barrels), etc. Indoor, used for doors, window frames, walls more than 2 meters, ceilings and the surfaces of fences and partitions.
If individual flies are found in room B, they can be killed with insecticide aerosol cans.
C poisonous flying rope (rope): prepare poisonous flying rope to kill houseflies by using their habit of staying on hanging objects such as ropes indoors.
D poison bait: 0.2% trichlorfon sugar solution, 0.2% trichlorfon fish viscera and 0. 1% dichlorvos sugar solution are commonly used for trapping and killing.
E. In the garbage passage of high-rise buildings, fumigants can be used for fumigation or plastic film bags with 20-30ml dichlorvos emulsifiable concentrate above 20% can be used for retention fumigation.
3. Physical prevention and control
(1) Installing screen doors and screens can effectively prevent the invasion of flies. Food should be covered with gauze.
(2) Everyone beats flies.
(3) Fans can be installed at the entrances of restaurants, restaurants, shopping malls and waiting places (cars and boats), and their air outlets are inclined outward by 30 degrees, and the effective wind speed should be greater than 7.62m/s. ..
(4) use a fly-killing lamp. The principle of the fly-killing lamp is to lure flies with black tubes. The fly touched the high-voltage fence of the fly-killing lamp and was killed by high-voltage electricity. Therefore, the fly killing lamp should be used indoors with fly prevention facilities. In order to improve the efficacy, the placement of the fly killing lamp should be correct: a, the lower end of the fly killing lamp is more than 50 cm from the ground, and the top is more than 50 cm from the ceiling; B the fly-killing lamp is placed or installed 30 cm away from the wall by the glass window; C when using the fly killing lamp, turning off other lamps can improve the fly killing effect; Install a fly lamp every 25 square meters.
Therefore, the breeding of flies can be effectively controlled by doing a good job in environmental sanitation, improving the quality of environmental sanitation and following the principle of "fighting early, fighting small and fighting big".