how may flies may act as carriers of pathogenic bacteria among human population
Sanitation, if source can be found.
If we wanted to massively decrease the population of flies Spiders would be our best hope. We would need a lot more spiders than flies. Or, we could use Fly spray, because spiders are dying too!
The population of parakeets goes up. The population of flies goes down.
A duck flies to another pond
the population of bees is, 22222 in the USA, 99999 in Canada, 68686 in the arctic and 6464 in Antarctic
there is genetic variation within the house fly population. The resistant house flies were able to survive the insecticide because they carried genes that made them immune to its effects. Over time, if these resistant house flies survive and reproduce, the overall population may become more resistant to the insecticide.
make your surroundings clean and all trashcans are tightly close..
There will be an influx in the fly population, leading to world domination of the flies.
Although it is impossible to keep flies and spiders away, there are some products you can use to control their population. For instance, you could use a fly swatter for flies or you can use an insecticide to kill the spiders and flies, which is available in drugstores or superstores.
Australia is known for having a large population of flies, especially in the outback regions. The warm climate and vast areas of open land provide ideal conditions for flies to thrive in the country.
There are horse flies in Virginia, same as there are horse flies almost everywhere else in the world. There are specifically more horse flies in the east coast, especially in Florida. As for Virginia there's nothing special about the horse fly population there. Just the same old horse flies like everywhere.