Io Moth caterpillars are less venomous than other species, but they do pack a punch, according to Science Friday. You will feel an instant pinch, but the pain won’t warrant a doctor’s visit.

Stinging caterpillar species include the buck moth caterpillar, spiny oak slug caterpillar, hickory tussock moth caterpillar, saddleback caterpillar and Io moth caterpillar.

Stinging caterpillar species include the buck moth caterpillar, spiny oak slug caterpillar, hickory tussock moth caterpillar, saddleback caterpillar and Io moth caterpillar.

Stinging caterpillar species include the buck moth caterpillar, spiny oak slug caterpillar, hickory tussock moth caterpillar, saddleback caterpillar and Io moth caterpillar, according to Texas A&M ...

Speaking of silk moths with stunning eye spots, Io moths are known for their venomous caterpillars. These brightly colored larva are equipped with urticating hairs, which release a toxin when brushed.

Stinging caterpillar species include the buck moth caterpillar, spiny oak slug caterpillar, hickory tussock moth caterpillar, saddleback caterpillar and Io moth caterpillar.