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Do gnats bite?

2 Answers

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Biting gnats don't break the skin like mosquitoes. They have four ‟cutters" inside their mouths that slice the skin open so that they can suck your blood. Consequently, a gnat bite, or a bite from a biting fly, can cause more pain than that of a mosquito.
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Mayo Clinic Minute: Easing the itch of mosquito bites



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