When you buy through links on our site , we may gain an affiliate mission . Here ’s how it work .

Name : Bone collector cat

Where it populate : In cobwebs on a exclusive mess range on Oahu , Hawaii

three photos of caterpillars covered in pieces of other insects

Bone collector cases. The silken cases are “decorated” with the remains of past meals, including fly wings, ant heads, weevil heads, and bark beetle abdomens.

What it eats : Flies , weevils , barque beetles , ants or any arthropod caught in a spider ’s vane

Why it ’s awesome : The bone collector is not just a very athirst caterpillar — it has an appetite for flesh . And once it finishes scavenge on dead or buy the farm insect trammel in a wanderer ’s WWW , the osseous tissue collector covers itself in the leg , wings or head of its fair game for camouflage to avoid being rust .

The newly discovered caterpillar inhabits a roughly 6 - square - mile ( 15 square kilometers ) surface area in the Wai’anae flock scope on Oahu and lives only in and around cobweb in logs , Sir Herbert Beerbohm Tree hollows or rock pit . The bone gatherer employ the dark setting to its vantage : If the spider master of ceremonies detects movement on its web , it will rush over to round the intruder . But under the cover of swarthiness , the silk shell layer in inedible trunk part smell , or taste , like last week ’s lunch . The tactic works well , as the caterpillar have never been found to be eaten by spiders or wrapped in their silk , according to a study in the journalScience .

a bone collector caterpillar next to a spider

(Image credit: Rubinoff lab, Entomology Section, University of Hawaii, Manoa )

The bone accumulator ispart of the genusHyposmocoma , lowly moths that hold out in Hawaii and are known for weave mobile silk containers . Whereas other change might decorate their shelter with bits of alga or lichen to look like Sir Herbert Beerbohm Tree barque , for example , no other knownHyposmocomaspecies   acknowledge random louse consistence parts and attaches them to its case .

The species evolve at least 6 million years ago , according to the researcher , making it old than the island of Oahu . This suggests osseous tissue collector moth transmigrate from an even older Hawaiian island that has since disappear to get to their current forest .

A bone collector caterpillar next to a non - native spider and its egg pocket .

an adult bone collector moth

(Image credit: Rubinoff lab, Entomology Section, University of Hawaii, Manoa )

An adult female off-white gatherer moth .

Carnivorous Caterpillar are extremely unusual . They make up about0.13 % of the earth ’s moth and butterfly coinage , but the bone collector , in finical , is especially rare — after more than two decennary of fieldwork , researcher have witness only 62 specimens .

In terms of survival , the bone collectors are n’t helping their cause . They are territorial , and typically only one cat is find on a single cobweb because they cannibalise the contention .

A photo of the newly discovered species (Cryptops speleorex) on a cave wall.

— American burying beetle : The meat - exhaust insect that buries bodies for its infant to junket on

— Gum leaf skeletonizer : The venomous ' Mad Hatterpillar ' that wears its old heads like a crownwork

— ' A human relationship that could appall Darwin ' : Mindy Weisberger on the skin - crawl reality of insect zombification

Close-up of an ants head.

Fortunately for us , the off-white accumulator caterpillar is only about a quarter of an inch ( 5 mm ) long .

"   I have no doubt that if we were their size , they would eat us,“Daniel Rubinoff , lead source of the study and an entomologist at the University of Hawaii at Manoa , tell Live Science . " There ’s no way that they would just eat insects . That just materialise to be their scrap class , so to speak . "

You must confirm your public display name before commenting

Please logout and then login again , you will then be prompted to enrol your exhibit name .

A photograph of the fly larva with a fake termite face to infiltrate termite mounds.

A male of the peacock spider species Maratus jactatus, lifts its leg as part of a mating dance.

Eye spots on the outer hindwings of a giant owl butterfly (Caligo idomeneus).

web spider of Nephilengys malabarensis on its web, taken from the upper side in Macro photo

Closeup of an Asian needle ant worker carrying prey in its mouth on a wooden surface.

A caterpillar covered in parasitic wasp cocoons.

a close-up of a fly

A satellite photo of an island with a giant river of orange lava

A composite image of the rings on Saturn, Uranus and Jupiter

a hoatzin bird leaping in the air with blue sky background

Split image of the Martian surface and free-floating atoms.

a black and white photo of a bone with parallel marks on it

An image of a spiral galaxy