Saddleback Caterpillar — printable fact sheet

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Saddleback Caterpillar

Acharia stimulea

The Saddleback Caterpillar is a striking larval form of the moth Acharia stimulea, recognized for its bright green body adorned with a distinctive brown 'saddle' marking edged in white. This small, stout caterpillar is notorious for its venomous spines that can cause intense pai…

Classification

Invertebrate

Family

Limacodidae

Habitat

Deciduous forests, gardens, and woodland edges

Diet

Herbivore

Conservation status

Least Concern

Lifespan

2-4 weeks (larval stage)

Weight

0.2–0.6 grams

Scientific name

Acharia stimulea

Did you know?

A single touch from the Saddleback Caterpillar’s spines can cause a burning, stinging sensation that may persist for hours in humans.
The Saddleback Caterpillar’s venomous spines are a defense mechanism against predators. Its vivid coloration is an example of aposematism, warning others of its toxicity. The caterpillar can be found feeding on over 40 different plant species, making it a versatile herbivore.

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