House Fly 
The fly is a very unwelcome geust!
Flies are always there for every picnic and meal flying in and around the food landing on your plates on your hands, and on your food inside and out side the house. Flies are defiantly irritating but even worse they are a big carrier of germs and diseases. Fly actualy spit up saliva than eats it back up.
Why are there so many Flies?
Female fly can lay approximately 500 eggs 75 to 150 defrent time in a cycle. Flies lay eggs in decaying carcasses and garbage. The Eggs hatch in a day time into Larva. Larva eat the ramains this is natures way of cleaning up.The Larva live for a weak during this time they become Flies. At this time a Fly is full grown and will live 2 weaks to a month.
How to get rid of a Fly.
The only way to get rid of a Fly is to Kill it with a fly swatter, lure and trap, or kill why in larva stage in the water.

Mosquito
The Mosquito is another uninvited guest!
Mosquitoes are always there for that campfire, hicking trip, How about when your laying there in bed and you here them ther buzzing around. Mosquitoes are very irrittating Mosquitoes suck your blood leave you itching. Mosquitoes are majer carriers of Desease most commonly lime diseas. This make Mosquitoes one of the most deadly insect killing thousands of people.
Why do Mosquitoes suck blood?
The female Misquito sucks blood not for the purpose of feeding they actualy are nectar feeders but the blood is a good substance of proten and iron to develop eggs
How to get rid of a Misquito.
The most common method to keep Misquitoes away are spray on repellants. Next there are torches and candles, bug zapper
and last but not least kill them in the water in larva stage.
Yellow Jacket
Yelow Jacket "wasp" are always scary once you have been stung every time you see one you become very alert! But most the time you dont see them. Yellow Jacket "wasp" are usaly tucked up behind something untell you reach around it or somtime open somthing then bam!!!!! its to late.
Are Yellow Jackets "Wasp" deadly?
Yellow Jackets "Wasp" Have a venom that can kill other insect and predators but Generally not deadly to humans unless you are alergic to there venom ore stung numures times but mustly you will swell up alittel for a day maybe two. But if you swell up a lot, your throat starts closing up or you start a fever or fell just ill you should go to a clinic or hospital!
How do you get rid off Yellow jackets 'Wasp"
Yellow Jacket "Wasp" Are generaly easy to kill if you see them first.There are very good Yellow Jacket "wasp" Killer in spray cans that shoot up to 20 Feet that kill Yellow Jackets"Wasp" fast. There also traps that kill Yellow Jacket "wasp" to keep them from building nest.