Before we can get into trying to understand whether biological pest control is the answer to the pest-control related environmental concerns, it would be proper to give ourselves a little background information on this whole pest control business; for the benefit of those who may be encountering it for the very first time.
Now, pests are organisms (typically insects) that are injurious to the interests of the people who refer to them as such. Thus to farmers, the insects that invade and eat up their crops (whether in the fields or during storage), would be termed as pests. On the other hand, the ‘domestic insects’ that tend to mess up with things in domestic settings (like moths, that can mess up with cloths in storage), are seen as pests by housekeepers. Worth keeping in mind is that although most pests are insects, there are also quite are number that are non-insects: with the likes of rodents (that can mess up with crops in farms of things stored in domestic settings) being seen as pests too, the fact that they are not insects notwithstanding.
Having seen that pests are injurious, it would be natural that the people who happen to ‘fall victim’ to them would want to get rid of them. In the meantime, people who haven’t yet fallen victim to pests would be keen to avoid such a ‘fate.’ Hosting pests, by the way, can be a serious fate: thousands of hectares of farmland have been known to be wasted by pests in a single day, leading to losses that often run into millions of dollars. It is the steps taken to avoid pest invasion then, or to resolve pest invasion if it has already taken place, that are referred to as constituting pest control.
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