Highly toxic Browntail Moth caterpillars are invading the US. If you see one DO NOT ATTEMPT to pick it up with bare hands. Venomous hairs can sting like a bee and produce a blistery rash that can last for weeks. Some US States considering declaring them an official public health crisis.
Reports of severe respiratory distress caused by accidentally inhaling the tiny fibers, or by working in soil that contains ones they sometimes shed for defense.
rare:
Jeez looks creepy!