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Hickory horned devil caterpillars are emerging in Georgia. Have you spotted one?

Caitlyn Stroh-Page
Athens Banner-Herald
This hickory horned devil was 5.5 inches long.

Have you spotted a hickory horned devil?

These large, bright green caterpillars may look dangerous, but they are nothing to be afraid of and will eventually turn into a regal moth, which can have a wingspan of up to 6 inches.

September is when many people in Georgia and other states in the region begin to spot these oversized insects and often wonder if they should be avoided.

Where are hickory horned devil caterpillars found?

Hickory horned devil caterpillars are found in much of the eastern United States, most frequently in the southeastern states. According to the University of Florida IFAS Extension, they are found in the deciduous forest areas of the eastern U.S.

According to the North Carolina Cooperative Extension, these caterpillars are often found on walnut, hickories, pecan, sweetgum, persimmon and sumac. 

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Are hickory horned devil caterpillars safe to touch?

Yes. While intimidating in size — up to 14cm or the "size of a large hot dog" according to UF IFAS — and donning vicious-looking "horns," this insect is harmless.