Saddleback Caterpillar

Natural Habitat

The Saddleback Caterpillar is typically found in deciduous forests, woodlands, gardens, and orchards, particularly in areas with a variety of host trees and shrubs. They are native to eastern North America.

Diet & Feeding

The primary diet of the Saddleback Caterpillar consists of the leaves of a wide variety of deciduous trees, shrubs, and even some palms. Common host plants include oak, cherry, maple, elm, citrus, dogwood, and corn.

Behavior Patterns

As a caterpillar, it feeds on host plants. The stinging spines are a defensive mechanism against predators. After feeding, it will pupate and eventually emerge as a moth. The moths are nocturnal and do not feed.

Risks & Benefits

Potential Risks: The most significant risk is its venomous spines. Contact with these spines can cause a painful sting, characterized by burning, itching, redness, swelling, nausea, and sometimes a rash. The severity of the reaction varies among individuals. Potential Benefits: As part of the ecosystem, these caterpillars contribute to the food chain, serving as a food source for birds and other predators. The adult moths are pollinators, though not as significant as bees or butterflies.

Identified on: 8/15/2025