5 sources·Science

Discovery of the Rare 'Bone Collector' Caterpillar in Hawaii

Scientists unveil the 'bone collector' caterpillar, a unique creature that camouflages using insect remains, exclusively found on Oahu, Hawaii.

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  1. A carnivorous 'bone collector' caterpillar dresses in the remains of its prey

    The bone collector’s origins date back at least 6 million years, making the caterpillars more ancient than the Hawaiian islands themselves.

    A carnivorous 'bone collector' caterpillar dresses in the remains of its prey

    Associated PressAssociated Press·8d
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  2. Bone collector caterpillar adorns itself in insect body parts

    The clock is ticking, however, as the bone collector is extremely rare and in danger of extinction, due to the large number of invasive species—especially non-native ants and parasitic wasps—that have found their way to Hawaii.

    Bone collector caterpillar adorns itself in insect body parts

    ARS TechnicaARS Technica·8d
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  1. USA TODAY
  2. Associated Press
  3. ARS Technica
  4. IFL Science
  5. Scientific American

Updated: Apr 24th, 2025, 3:34 PM ET

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Researchers in Hawaii have discovered a new species of carnivorous caterpillar, dubbed the 'bone collector,' which camouflages itself in the remains of prey. Found exclusively on Oahu, this caterpillar feeds on trapped insects found in spider webs and engages in cannibalism. Its behavior is a unique adaptation, dating back at least 6 million years, raising concerns for its conservation status due to environmental threats. The study highlights the rare dynamic of being both predator and prey within a spider's lair, illuminating the evolutionary marvels of Hawaii's unique ecosystem.


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Discovery of the Rare 'Bone Collector' Caterpillar in Hawaii - Pano News