Fly Bites|Wildlife|Nature

Hello, I'm the OUTDOOR PROFESSOR from DiscoveringTheOutdoors.com/ 

Here's your outdoor tip on biting flies.
Flies are probably next to mosquitos in being the most unwanted guests at your outdoor picnic.  Most people have been bitten more than once by some type of fly.  There are about 120,000 species of flies in the world and many bite humans for their blood.  These fly bites may transmit disease to people or transfer disease to food that they land on and humans later eat. Each fly species has its own habits and ecology, but I’d like to share with you some information on a few flies that you might come in contact with. Most winged insects have four wings, but flies have only two wings.  Her mouthparts are designed to suck up liquid and for piercing. 
Like mosquitoes, biting flies find humans by sensing carbon dioxide, warmth, perspiration and movement.  Dark clothing is their preference.  Once landed the fly uses its piercing mouthparts to lacerate the skin and to inject an anticoagu