The caterpillar species with a macabre fashion sense was discovered by researchers in Hawaii. Its casing is a disguise to fool the spiders with which it lives. Updated April 24, 2025.

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There are at least 3,000 moth species known from Ohio, and if all of them were known, that number would likely eclipse 4,000 species. About 140 species of butterflies have been tallied in Ohio.

The caterpillar, a previously unknown species, is a member of a group of moths called Hyposmocoma native to Hawaii that includes hundreds of species and arose about 12 million years ago.

While the caterpillar appears adaptable — it lives on the webs of at least four non-native spider species — its narrow range and complex behavior make it particularly vulnerable.

Caterpillars that survive to become moths are preyed on heavily by bats, and most of the dozen bat species in Ohio are in decline. The eastern tent caterpillar is one of the showiest larvae.

Scientists in Hawaii have discovered a new, extremely rare species: carnivorous, bone-collecting caterpillars, that live in one 5-mile area on Oahu.

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Dubbed the “bone collector,” this caterpillar species sports remains of prey as camouflage while it stalks spider webs for trapped bugs, researchers report in the April 25 Science.

Item 1 of 2 The habitat of a newly identified carnivorous caterpillar species nicknamed the “bone collector”, which camouflages itself by wearing body parts of its prey, in Waianae mountain ...