Cockroaches often get into cracks and dig holes to hide. Using Quebang spray to kill crevices, caves and corners can kill common pests including cockroaches, which is suitable for pregnant women. Close doors and windows and exhaust facilities of electric fans when spraying. The cockroach has escaped. For places such as crevices where cockroaches inhabit, you can spray a 30-50 cm medicine belt around them first, and then spray wine 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.
Cockroaches like the dark and fear the light. They like to go out at night on their stomach during the day and occasionally see them during the day. Generally, after dusk, they start to climb out for food and return to their nests in the morning. The temperature is most active at 24~32℃, and it can be active at 0℃. In the tropics, cockroaches can breed and move all year round. In northern China, if the indoor temperature is suitable in winter and there is heating equipment, cockroaches can move and reproduce as usual. Cockroaches are mostly oviparous, and their eggs are arranged orderly in the egg sheath, which can resist the influence of adverse environment and is not easy to be killed by chemical drugs. When conditions are suitable, they can hatch larvae.
The growth and molting time of cockroaches are closely related to climate factors and food acquisition. Usually this process is completed within two months. Most cockroaches living in the wild feed on decaying organic matter or litter. Cockroaches living in houses like starchy food. They often leave pathogenic organisms on the food they climb and spread diseases.
Cockroaches vomit and excrete while eating, which pollutes food and spreads many diseases, such as dysentery, paracholera, hepatitis, tuberculosis, diphtheria, scarlet fever and ascariasis. No matter what kind of cockroach it is, the pathogens it spreads are typhoid Bacillus, dysentery Bacillus, Escherichia coli, tuberculosis Bacillus, anthrax Bacillus, gall fungus and eggs of tapeworms, ascaris, schistosomiasis and so on.
References:
Baidu encyclopedia-cockroach