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Is there a kind of insect called "German elf"?

Blattella germanica

Although it is named after Germany, its origin is actually Africa. Because of international trade, it is imported into China in the process of commodity circulation. With the extensive use of pesticides for control, Blattella germanica has become extremely resistant, and most pesticides are ineffective < P > How to get rid of cockroaches?

1. Carefully check the sewer, cracks in the wall, floor partitions and windows to prevent cockroaches from entering.

2. Keep the room dry. Cockroaches mostly live in humid environment, so be careful not to have any water leakage, especially in the kitchen.

3. Keep the room clean. In a clean and dry environment, cockroaches will feel unwelcome. After eating, the food should be sealed in time, the garbage on the ground and in the garbage bag should be cleaned in time, and the tableware should be washed with hot water first. Unclean tableware will attract the attention of cockroaches. In addition, stoves and other places should also be cleaned regularly.

4. Use pesticides to kill cockroaches when no one is in the house.

If there are too many cockroaches, it is best to close the doors and windows tightly, and burn 1% Didi Wei with an alcohol lamp. Burning it for an hour or two can kill a large number of cockroaches. But it should be remembered that cockroaches are extremely vital, and sometimes they are just in a coma, but they are not really dead. So you can't throw it away as garbage. You'd better scald it with boiling water. Otherwise, many cockroaches will wake up in ten minutes.