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Waxworms Break Down Polyethylene in 24 Hours, Guiding Enzyme-Driven Plastic Remediation

The findings reveal waxworm conversion of tough plastic into body fat, prompting co-supplemented diet trials to sustain insect health alongside enzyme extraction for scalable remediation.

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plastic-eating caterpillar.

Overview

  • Experiments at Brandon University showed that about 2,000 waxworms can fully degrade a polyethylene bag within 24 hours.
  • Analysis reveals the caterpillars metabolize ingested plastic into lipids stored as body fat.
  • A plastic-only diet leads to mass loss and death within days, spurring research into co-supplemented feeding regimes.
  • Scientists are isolating waxworm enzymes responsible for polyethylene depolymerization to replicate the process in laboratory settings.
  • Researchers are evaluating mass rearing strategies and the use of resulting insect biomass as a sustainable aquaculture feed.