Where do pine processionary caterpillars march in long nose-to-tail lines?
Quick Answer
Pine processionary caterpillars are found in southern Europe, North Africa, and parts of the Middle East. They often move in long processions from pine trees to the ground.
The Full Story
Pine processionary caterpillars occur in Mediterranean climates, including southern Europe, North Africa, and parts of the Middle East. They feed on pine needles and are notorious for forming nose-to-tail processions on tree trunks and ground surfaces. The caterpillars use silk and pheromone trails to stay together while moving between feeding and resting sites. Their hairs can irritate skin and eyes in humans and animals. These insects can defoliate pine trees when populations are high.
Key Facts
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"A caterpillar parade that can be beautiful—and irritating."
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