A little fly humor...

How do fireflies start a race?
Ready, set, glow!

If there are 5 flies in the kitchen how do you know which one
is the Football player?
He's the one in the Sugar Bowl!

What is the difference between a fly and a bird?
A bird can fly but a fly can't bird!

Why were the flies playing soccer in saucer?
They where playing for the cup!

Why did the fly fly?
Because the spider spied 'er!

Waiter, there's a fly in my soup.
Don't say that, sir. Everyone will want one.

Waiter! There's some soup on my fly!

Waiter! There is a fly in my soup!
What did you expect for this kind of price, an eagle?

Waiter, why is there a fly in my ice-cream?
Perhaps he likes winter sports.

What do you call a fly with a sore throat?
A hoarse fly!

What's this spider doing in my soup?
I think he's trying to catch the fly, sir.

Waiter, isn't it strange I should find several flies in my soup?
It is strange at this season of the year.

Waiter, what's the meaning of this fly in my teacup?
I wouldn't know, sir. I'm a waiter, not a fortuneteller

Waiter, what's this fly doing in my soup?
It's fly soup, sir!

Waiter, there's a fly swimming in my soup!
So what do you expect me to do, call a lifeguard?

Waiter, waiter, there's a dead fly in my wine!
Oh no! I warned him not to drink and swim.

Waiter, there's a fly in my soup!
Its OK, Sir, there's no extra charge!

Waiter, there's a fly in my soup!
Couldn't be, sir. The cook used them all in the raisin bread.

Waiter, there's a dead fly in my soup!
What do you expect for $1? a live one?

But all joking aside...

Flies can be dangerous vectors of disease.

A single female fly may lay nearly 1000 eggs in her short life span of a few weeks. Source: Great Smokies Diagnostic Lab
House flies are strongly suspected of transmitting at least 65 diseases to human, including typhoid fever, dysentry, cholera, poliomyelitis, yaws, anthrax, tularemia, leprosy and tuberculosis. Source: Pennsylvania State College of Agricultural Sciences
Flies cost nearly $1 Billion in annual production losses to the U.S. dairy and beef industries. Source: United States Dept. of Agriculture