People take advantage of mosquitoes' habit of liking light, high temperature, dark and wet, and staying up at night. In summer nights, they turn off the indoor lights, open the doors and windows to let mosquitoes fly outside, and then close the screen door to prevent mosquitoes from flying in.
Try to reduce indoor air humidity, especially in rainy season, and try to control indoor relative humidity at about 50%. Put a few boxes of uncovered cool oil and essential oil in the bedroom, or put one or two pots of blooming cordate telosma, jasmine, Milan, mint or rose. Mosquitoes can't stand their smell and will avoid them.
Install an orange light bulb indoors or cover it with transparent orange cellophane. When the light is turned on, mosquitoes will run away for fear of orange light.
Fill an empty wine bottle with sugar water or beer and put it in the shade. When mosquitoes smell sweet wine, they will get into the bottle and be stuck to death by sugar water or beer.
Spread a layer of repellent syrup evenly on the surface of containers such as glassware or ceramic crock, and place it face down in the dark. Mosquitoes can also be poisoned and die after smoking.
Burning dry tea leaves and orange peel can repel mosquitoes.
Eating garlic raw and taking vitamin B orally will be excreted from sweat after physiological metabolism, and it will also produce an odor that mosquitoes dare not approach.
In fact, it is also the simplest, most economical and most effective mosquito control measure to artificially kill mosquitoes on screen doors and screens before dark and after getting up in the morning.
Second, chemical mosquito repellent weapons.
Mosquito-repellent incense is the oldest natural medicine to repel mosquitoes. As early as the Southern Song Dynasty, mosquito-repellent incense made of traditional Chinese medicine appeared. The effective component of modern mosquito-repellent incense is pyrethrin, which has the function of repelling mosquitoes and killing mosquitoes. After the mosquito-repellent incense is ignited, the pyrethroids in the mosquito-repellent incense volatilize with the smoke and spread in the indoor air, paralyzing the mosquitoes' nerves, so the mosquitoes either fall to the ground and die, or flee in all directions, thus playing the role of repelling mosquitoes.
Pyrethroids can be eliminated from the body through metabolism, which is harmless to people. However, some inferior mosquito-repellent incense not only contains pyrethrin, but also contains BHC powder and realgar powder, which is toxic and even carcinogenic to human body. Therefore, mosquito-repellent incense is best used outdoors, such as around the house, at the door or in a well-ventilated place. Lighting mosquito-repellent incense before dark at night has the best mosquito repellent effect.
The mosquito repellent effect of electric mosquito repellent incense tablets is also good, which generally lasts for 6-8 hours. The mosquito-repellent principle of electric mosquito-repellent incense is that pyrethrum is inhaled into mosquito-repellent incense tablets and evaporated after heating, and the effect is better if a few drops of essential balm are dropped.
Liquid electric mosquito-repellent incense is the most convenient to use by using the principle that wool straw is continuously heated to release pesticide substances. If a bottle of mosquito-repellent incense is used for eight hours every day, it can be used continuously for 30 days, which saves the trouble of replacing the electric mosquito-repellent incense tablets every day.
However, both electric mosquito coils and liquid electric mosquito coils contain organic compounds harmful to human body. If used in a closed room, it may cause adverse reactions. Therefore, air circulation should be maintained when using electric mosquito coils. The best time to use electric mosquito coils is half an hour before going to bed.
Mosquito repellent, also known as mosquito repellent, is mainly used for people who go out or work in the field. The main component of mosquito repellent is deet. It is said that 99.9% of mosquito bites can be prevented within 6-8 hours by applying qualified anti-mosquito liquid. The principle is that drugs directly act on the tactile organs and chemoreceptors of mosquitoes, thus driving them away. When spraying mosquito repellent, avoid spraying it directly on the wound or skin with rash. You can spray it on your hands first, and then apply it to the exposed parts of your body one by one, which is a bit troublesome to use.
Mosquito-killing aerosol is a kind of insecticide, and its main chemical component is propargyl. Mosquitoes mostly like to hide in dark and humid places, and spray drugs in stairwells, under sinks, sewers, bathrooms, cabinets, under tables and other places during the day.
Use old boxes or buckets, put some rags in them, and arrange them into a dark and humid "artificial trap". Mosquitoes can easily kill mosquitoes by flying in during the day and spraying pesticides on them a few times. This is the trick of mosquito experts.
Mosquito-killing screen window coating is based on the phototaxis of mosquitoes and the principle of slow release of drugs, which is coated on the screen window to form a protective film. Mosquitoes and flies will die within two hours to a few days after 30 seconds of contact. Effective mosquito-killing ingredients are generally cypermethrin, cypermethrin and so on. When using, do not use alkaline solvent to clean the screen window. Its advantages are sun resistance and water resistance, and its effective time is as long as several months to half a year.
Experts remind people that because mosquitoes can also produce drug resistance, they should use different mosquito repellent methods and products in turn to obtain better mosquito repellent effect.
Third, physical mosquito repellent is the safest.
Experts suggest using mosquito catching lamp, which is pollution-free. The mosquito trap lamp uses the phototaxis and sensitivity of mosquitoes to special wavelengths. Ultraviolet rays are attractive to mosquitoes. It traps mosquitoes by touching the net surface with a lamp tube and burning the mosquitoes instantly by high-voltage electric shock. Choose a mosquito trap lamp or a double tube with a luminosity of more than 8 watts. Mosquito killer should be placed above the knee and not more than 180 cm from the ground. It's best to change places often. Hidden corners and under the table are the best places. When using the mosquito trap lamp, all other indoor light sources should be turned off, because mosquitoes are disturbed and cannot feel the light source of the mosquito trap lamp, and the mosquito trap effect will be greatly reduced. Adding some water and vinegar to the insect collecting box of the mosquito catching lamp has better mosquito catching effect, because mosquitoes have the habit of liking acidity.
The principle and function of electric mosquito swatter are similar to those of mosquito catching lamp. Mosquitoes are hard to prevent during the day, so it is best to wear long-sleeved trousers when going out. Try not to go to wet places with dense moss and grass. You can also rub a little mosquito repellent to prevent it, or rub wormwood and eucalyptus leaves on your body, which also has an effect. In short, according to personal conditions and circumstances, we can spend the summer happily by adopting comprehensive mosquito prevention and mosquito repellent methods.
Fourth, other methods.
Smoke to repel mosquitoes: in the room, put some sawdust, preferably fragrant sawdust, some red-hot charcoal on the sawdust, and then put some dried citrus, orange or grapefruit peel on the surface. After burning, it will give off a very strong smell, and mosquitoes will "stay away from it" when they smell it.
Orange cellophane mosquito repellent method: put orange cellophane with strong light transmittance on a 60-watt light bulb, and mosquitoes will flee everywhere.
Dry orange peel mosquito repellent method: light a few pieces of dry orange peel or orange peel indoors, and mosquitoes will flee in a hurry.
Apply grass to repel mosquitoes: use appropriate amount of mint leaves, perilla leaves or tomato leaves to knead into juice and apply it to the naked skin of human body. Mosquitoes will smell the special smell of these plant juices for fear of avoiding them.
Dissolve 0/3 to 5 tablets of vitamin B/KLOC-in water and wipe the exposed limbs to repel mosquito bites. Soak two pieces of star anise in the seasoning of warm water washbasin, and take a bath with its water to keep mosquitoes from approaching.
Mosquito repellent method of toilet water: Some toilet water not only has mosquito repellent effect, but also contains the "six-spirit stock solution" of Chinese herbal medicine, which has the functions of cooling, eliminating malnutrition and relieving summer heat in midsummer, and can be described as "one thing for multiple purposes". Especially suitable for children.
Mosquito repellent for flowers and plants: Qilixiang, Cordyceps, Drosophila melanogaster, mosquito repellent, cordate telosma, marigold: jasmine, mint, etc. These flowers and plants not only have good mosquito repellent effect, but also are economical and easy to operate, and have no harm to human body. It can also add beauty to the room, purify the air and put it by the window, which is pleasing to the eye, especially in hot summer. These methods are also simple and easy to do, and do no harm to children.
Another simple and economical measure is to kill the screen door and screen window after getting up in the morning and before dark. This method is good, and many mosquitoes can be easily eliminated.
Dietary mosquito repellent method: it is to carry out diet conditioning, appropriately change physical fitness, and reduce the acidic concentration of sweat discharged from the body. Usually, you can eat more garlic and foods containing more vitamin B, such as brown rice, beans, dried fruits, hard fruits, peanuts, fruits, vegetables, milk, seafood and animals' livers, kidneys, brains and lean meat.