Pests can pose untold miseries to human kind if not checked timely. Some pests like locusts are known to have wiped out the entire food supply of some African countries in the past. Rats are no less destructive. Birds like parrots and their likes are destructive to fruit orchards. Some pests like mosquitoes are feared for their ability to transmit contagious diseases. Ticks and mites affect cattle to deadly results.

More: continued here