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Saddleback caterpillar

Saddleback caterpillar
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Limacodidae
Genus: Acharia
Species:
A. stimulea
Binomial name
Acharia stimulea
(Clemens, 1860)
Synonyms
  • Empretia stimulea Clemens, 1860
  • Limacodes ephippiatus Harris, 1869
  • Sibine ephippiatus Kirby, 1892
  • Sabine stimulus

The saddleback caterpillar (Acharia stimuli, formerly Sibine stimulea) is the larva of a species of moth native to eastern North America. It is also found in Mexico.[1] The species belongs to the family of slug caterpillars, Limacodidae.

The larva (caterpillar) is primarily green with brown at both ends and a prominent white-ringed brown dot in the center which resembles a saddle. It has a pair of fleshy horns at both ends. These and most of the rest of the body bear urticating hairs that secrete an irritating venom. Contact with the hairs causes a painful, swollen rash and sometimes nausea in humans.[2] In some cases, more severe reactions to the venom can occur, including a systemic condition called erucism or acute urticaria, for which severe symptoms may include migraines, gastrointestinal symptoms, asthma complications, anaphylactic shock, rupturing of erythrocytes, and hemorrhaging.[3] The hairs should be removed from the skin immediately to prevent more venom spread. The cocoon may also have irritating hairs, and hairs from the larva can fall on surrounding objects.[3]

The larvae feed on plants. In Florida and Alabama in the United States, it feeds on palms such as the Manila palm (Adonidia merrillii).

  1. ^ Naturalista
  2. ^ Cite error: The named reference :12 was invoked but never defined (see the help page).
  3. ^ a b Bibbs, C. S. and J. H. Frank. Acharia stimulea (Clemens) (Insecta: Lepidoptera: Limacodidae). EENY-522. University of Florida IFAS. 2012.

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