| |
Unique Home Furniture, Home Decorating and Home Decoration Store
One Family Of Insects: Chemical pesticides, despite their great benefits, have their drawbacks. In some cases insecticides have become less potent because the insects developed resistance to their effects [2]. In other cases the insecticide has affected the animal enemies of the harmful insects with the result that the insects have actually multiplied in number.
Many insects live for short periods only—no more than a few hours—while others may live for many years.
Some species of insects follow a definite pattern of migration.
Those insects that live more than one family of insects season hibernate in some protected spot out of doors or in old buildings, as well as in inhabited homes. In some species only the female lives through the winter in hibernation, the male dying in the fall.
Insects may be found anywhere and everywhere—in, on, and near water; in and on the ground; in the air; at high altitudes; in old buildings; at low altitudes; in occupied houses; in gardens; in and on vegetation; in and on other animals; and so on.
Poison: Many insects have well-developed poison which is ejected through a sting; others have a saliva that may act as a poison; but few insects in the United States are known to be seriously dangerous to man so far as poison is concerned. Due to individual idiosyncracies, some people may become ill from a sting or bite such as that of a mosquito or bee. Also, many diseases are transmitted by insects.
|
|
|
 |
Child-Education-Usa.com |
|
 |
 |
|
Menu |
|
|
| |
| |
|
|
| |
|
