Symptoms to note: Sand fly bites are generally painful and may start to itch. In certain parts of the world—including the tropics, subtropics, and southern Europe–they can transmit leishmaniasis, a ...

It can be distressing to wake up with a mysterious swollen red rash on your ankle. Could that rash be an insect bite? And what kind of bug bit you? The answers aren't so easy to figure out. Even for ...