Crab lice (Pthirus pubis) aren’t crabs at all—they’re parasitic insects that feed exclusively on human blood, and their bites can cause intense itching in their hosts. Often, this itching happens in ...

Earlier this week, some swimmers in Virginia Beach felt the sting and itching sensation of being bitten by sea lice. The term “sea louse” doesn’t describe a single species, but is actually a family of ...

Since we reported on an outbreak of sea lice in Ocean City last week, The Baltimore Sun has received emails from readers that the critters seen this summer were actually baby crabs — not jellyfish or ...