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Depending on your region, the threats may vary. Here are a few examples:
In the U.S. South, the puss caterpillar (a venomous fuzzy larva) is common on oak and citrus trees.
In Europe, oak processionary caterpillars carry dangerous hairs and form silky nests on oak trunks.
In tropical climates, blister beetles can release a toxin called cantharidin if crushed.
Frequently Asked Questions:
Q: How can I tell if a caterpillar is venomous?
A: Bright colors and spines or hair tufts are often a warning sign. When in doubt, don't touch—use identification tools.
Q: Are galls harmful to plants?
A: Usually not seriously, but they can indicate mite or wasp activity. They're best left alone unless the plant is suffering.
Q: What’s the foamy stuff on my lavender?
A: It’s spittlebug froth—mostly harmless, though unsightly. Remove it with a spray of water if necessary.
Q: What happens if I touch a venomous caterpillar?
A: You might experience a painful sting, rash, or even nausea. Wash the area with soap and water and seek medical attention if symptoms worsen.
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