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How to Keep a Caterpillar

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How to Keep Your Caterpillar's Home Clean
Change the foodplant when it becomes dry or well-eaten, and remove any caterpillar droppings (seen on the cotton ball) regularly.

Change the foodplant when it becomes dry or well-eaten, and remove any caterpillar droppings (seen on the cotton ball) regularly.

Photo: © Debbie Hadley, WILD Jersey

Since caterpillars eat a lot, they also produce a lot of droppings (called frass). You'll need to clean out the caterpillar's housing regularly. When the caterpillar is on its food plant, it's a fairly easy process. Just remove the food plant and the caterpillar, and let it continue munching away while you clean house. Make sure you clean out the small jar holding the food plant, too.

If conditions become too moist in the housing, you may discover fungus forming in the soil layer. When that happens, be sure to remove the soil completely and replace it.

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