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Bug Bite Identification: What Bit Me?

Skin is a poor witness. The CDC says bed bug bites resemble mosquito or flea bites, and UC IPM warns that skin lesions are often blamed on spiders with no proof a spider was involved. What actually narrows the list is where the bites are, how they are arranged, how long they took to appear and what was found in the room. These pages set out what public health and university entomology sources report for each common biter — and where each one says to stop guessing and see a clinician.

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