The symptoms vary in severity from person to person. Urushiol (the allergenic component of the sap) can begin to penetrate the skin within 5-10 minutes of contact. Poison ivy rash can appear in as little as 4 hours or as long as 2-3 weeks after exposure. Generally, you'll see the first blisters within 1-14 days. Symptoms include: 1  Red, swollen, itchy skin with a rash that can be widespread depending on contact areas.
Insects and arachnids eaten around the world include crickets, cicadas, grasshoppers, ants, various beetle grubs (such as mealworms), the larvae of the darkling beetle or rhinoceros beetle, various species of caterpillar (such as bamboo worms, mopani worms, silkworms and waxworms), scorpions and tarantulas.
The eggs, larvae, pupae, and adults of certain insects have been eaten by humans from prehistoric times to the present day. Human insect-eating is common to cultures in most parts of the world, including North, Central, and South America; and Africa, Asia, Australia, and New Zealand. Over 1,000 species of insects are known to be eaten in 80% of the world's nations.