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Harmful insects are the species that cause damage to humans and their livestock, crops, and possessions worldwide. Some are direct pests in that they attack the body of the host organism (plant or animal) and either suck sap or blood or eat the tissues. harmful insect class 4 science lesson 6
A few examples of harmful insects include (but are by no means limited to): Aphids: Aphids are like lice: they move into a garden, spread throughout all the plants, and can be hard to get rid of. They are small, usually less than 1/8” in size, and cause stunted plant growth and spread diseases among plants
As previously mentioned, a minority of insects are considered pests because they are harmful to humans or other animals. One reason insects can be harmful is because some can sting, bite, or even spread disease. Bees and wasps can sting, and for those who are allergic, these stings can be deadly.
Top 10 House Pests
Flies. Whether they're houseflies or fruit flies, these pests can carry a wide range of diseases including food poisoning bacteria.
Bed bugs. Contrary to their name, bed bugs can also be found in cracks and crevices. ...
Ants. Ants enter houses in search of food. ...
Wasps. ...
Rats. ...
Termites. ...
Mice. ...
Cockroaches.
Flies. Whether they're houseflies or fruit flies, these pests can carry a wide range of diseases including food poisoning bacteria.
Bed bugs. Contrary to their name, bed bugs can also be found in cracks and crevices. ...
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