Isa schaefferana
(Dyar, 1906)
Isa schaefferana is a of slug caterpillar in the Limacodidae, first described by Dyar in 1906. The Isa contains several North American species commonly known as "stinging caterpillars" due to their urticating spines. Like other limacodids, the larvae are characterized by a reduced, slug-like structure and venomous setae. The species is part of the diverse Zygaenoidea superfamily, which includes many groups with chemical defenses.
Pronunciation
How to pronounce Isa schaefferana: /ˈaɪsə ˌʃɛfɛrəˈænə/
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Taxonomic History
Originally described as Sisyrosea schaefferana by Dyar in 1906, this was later transferred to the Isa. The genus Sisyrosea is now considered a synonym of Isa.
Family Characteristics
The Limacodidae (slug caterpillar moths) is characterized by larvae with reduced that move in a slug-like fashion rather than with the typical looping gait of most caterpillars. Many possess venomous spines or setae that can cause painful reactions upon contact with human skin.
Sources and further reading
- BugGuide
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
- Catalogue of Life
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