In parts of Africa and the Middle East, as well as Central and South America, black flies have been known to transmit a disease called river blindness, which can cause permanent blindness in humans if not caught early.Ĭertain other species of animal can also be quite adversely affected by black flies. Unfortunately, black fly bites are painful, and they can be more than just a nuisance. This should come as no surprise, considering that North America is home to more than 20,000 species of flies, and over 250 different species of black flies. While not as prevalent in the southern states as they are in other regions of the U.S., black flies have been known to bother both people and animals across the country. Unlike mosquitoes, which typically bite people most in the mornings and evenings, black flies bite all day long. While mosquitoes are a serious annoyance for those of us trying to enjoy some time outdoors through the warmer months of the year, mosquito bites pale in comparison to the nasty bite of the black fly. Not too hard to picture, is it? Most of us far more familiar with mosquitoes than we want to be, but how much do you know about the black fly? You smack at it, but it’s too quick-it zips away, leaving you with a red, itchy, painful welt. ![]() Imagine this: You’re spending time outdoors in spring or summer when a small, grayish-black flying insect lands on your skin and bites you in order to feed on your blood.
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