Caterpillars
Large Green Caterpillar Identification
If it's finger-sized and pale green, it's almost certainly a saturniid or hornworm.
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Field notes
Luna moth caterpillars (Actias luna) are chunky bright green with faint yellow stripes and tiny orange spots. Io moth caterpillars have stinging spines — do not handle.
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Photos & species data via iNaturalist . Community-verified sightings from naturalists worldwide.