The American dagger moth caterpillar (Acronicta americana) is known for its striking appearance and toxic properties. Which of the following statements about this caterpillar is TRUE?
- The caterpillar's venom is fatal to humans.
- Contact with the caterpillar's hairs can cause skin irritation and allergic reactions.
- The caterpillar is safe to handle and does not pose any threat to humans.
- The caterpillar is only poisonous when ingested.