A type of louse fly from Europe. An invasive. It is now in MA, CT, NY, VT. We have some of them on our property. They are a biting fly, about the same size as a deer tick. That's what most people think they are when they find one on their person, because once the fly finds a warm blooded hairy creature, they shed their wings and go into the hair for a meal. Deer are their primary host, thus the name. There is some evidence that they may carry Lyme disease, and their bite is very itchy and can create a papule, a solid bump on the skin, that can last several months to over a year. So I thought I'd mention it here, because they aren't ticks but they do bite and they do look like ticks and some tick bites also produce a lasting papule. So misidentification might create worry (omg a tick) and lack thereof (oh just a fly) when you probably do actually want to pay attention to the bite because of possible Lyme infection but maybe not run out and get some doxy. And so you can clue your doctor in if there are issues, because it doesn't seem entirely all that well known.
https://www.mdedge.com/dermatology/a...oparasite-move
With wings:
Without wings:
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