1. Long-acting cockroach killing drugs are scattered on the corner and the edge of brick joints to trap and kill cockroaches, and the efficacy is relatively lasting, usually half to two months.
2. Short-acting insecticides include ants and cockroaches, insecticidal aerosol, pyrethroids, trichlorfon, etc. After closing the doors and windows, spray pesticides on corners and cracks in the dark for 30-40 minutes to kill basic adults, larvae and eggs.
Second, as long as the conditions are suitable, cockroaches will reproduce and have strong reproductive ability. If you want to eradicate cockroaches, you must destroy their nests and their living environment. Cockroaches can be eradicated.
1, keep the room clean and dry, especially the kitchen, and clean the trash can at any time.
2, regularly wipe the walls, range hoods, stoves, clean up oil, food residue, debris, not to provide living conditions for cockroaches.
3. Generally, cockroaches bring vegetables. Every time you buy food, you should tidy it up and put it in the refrigerator or basket. To prevent cockroaches from escaping and settling down.
4. Clean things that are often not used at home, especially the kitchen and bathroom. Sewers and floor drains should be cleaned and disinfected regularly.
Extended data
Danger prevention
In order to eliminate cockroaches, you must do the following work:
1, clean up garbage and unused items, especially books, newspapers and magazines at home;
2, check the furniture below and behind, as well as false smallpox, air trough and wire trough and other hidden places;
3. Fill the cracks and gaps on the ceiling, wall and floor with non-thermal insulation materials to achieve the best sealing effect.
4. All cockroach remains and egg sheaths must be crushed and removed to prevent the egg sheaths from hatching and continuing to cause trouble. (1: For the egg sheath, it must be burned. 2: Rush into the sewer. )
5, furniture should try to avoid using plywood or ceiling wall, should choose aluminum, stainless steel, plastic and other materials of furniture, easy to clean, no insulation effect, cockroaches are not easy to survive. It is best to keep furniture away from the wall, so it is not easy to hide cockroaches.
Drug control
1. Cockroaches often make holes in cracks and caves. Using Quebang spray to kill crevices, caves and corners can kill common pests including cockroaches. Suitable for pregnant women. Close doors and windows and exhaust facilities of electric fans when spraying. The cockroach has escaped.
2. For places such as crevices where cockroaches inhabit, 30-50% medicine belts can be sprayed around them first, and then alcohol can be sprayed in the crevices. In places where cockroaches are concentrated, direct spraying will stimulate cockroaches to flee everywhere. Cockroaches should be sprayed on the periphery of the place where cockroaches are concentrated, forming a closed circle and spraying from the outside to the inside, so that cockroaches can get enough doses when they run outside.
3. Cosway powder. It should be placed in a place frequented by cockroaches, so that cockroaches can contact with poisons, which has contact and stomach killing effects. The duration is long, usually 1-2 months, but it should be moisture-proof.
4. Cosway bait. More and less, 0.5- 1 g/m2, placed in the place where cockroaches often move. It lasts for a long time, is safe, efficient and convenient, is not easy to produce drug resistance, spreads toxicity among cockroaches, and leads to the death of cockroach groups.
Physical prevention and control
1, hot killing and freezing killing. Cockroaches have poor heat tolerance. When the temperature reaches 60 degrees or above, they will die within a few minutes and can kill the eggs in the egg pods. The common method is to put boiling water into the kettle and pour it into the hidden gap of the cockroach to burn it.
2, you can also use a hair dryer to kill, as long as it is turned to the hottest, it will die in a few seconds. If the articles and furniture that roaches inhabit are moved to a place below -5- 10 for 30 minutes, roaches will freeze to death.
3. Trapping method. The way to trap cockroaches is to put the bait into a cockroach trap box or a tin bottle coated with insect repellent.
References:
Baidu encyclopedia-cockroach