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Destruction of polystyrene by larvae (Chevrolat, 1878) (Coleoptera: Tenebrionidae)
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This study found that larvae of the darkling beetle Ulomoides dermestoides can destroy expanded polystyrene during feeding, with mass loss rates of 44 to 68% depending on piece size, and smaller pieces being consumed more efficiently. The oxidized polystyrene particles found in larval excrement corresponded to microplastic size classes, offering potential for biological degradation of foam plastic waste.
The larvae of the darkling beetle Ulomoides dermestoides are capable of destroying expanded polystyrene (EPS) during their feeding activity. The degree of destruction varied for EPS pieces of different size classes. For EPS pieces measuring 6×6, 3×3, 1.5×1.5 cm, the mass loss rate was 44.94±1.11, 51.34±2.54, 68.3±3.16%, respectively. A negative correlation was observed between the size class of EPS pieces and their conversion rate. The rate of plastic degradation depended on the age stage of larval development. A significant decrease in the mass of the EPS was noted only after the 4th week of the experiment, when the larvae reached the 5th age. After the destruction process is complete, the oxidized EPS particles in the excrement corresponded to the size class of microplastics (
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Destruction of Polystyrene by Larvae of Ulomoides dermestoides (Chevrolat, 1878) (Coleoptera: Tenebrionidae)
AI summary Read the abstract
Researchers found that larvae of the darkling beetle Ulomoides dermestoides can degrade expanded polystyrene, with mass loss rates of 44-68% depending on EPS piece size, and that degradation rate varied with larval development stage and was positively correlated with larval count.
ANew ColeopteraMember (Ulomoidesdermestoides) to Biodegrade Plastics
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Researchers found that Ulomoides dermestoides beetle larvae can biodegrade polystyrene, polyethylene, and polypropylene with mass reductions of 55.3%, 50.2%, and 49.4% respectively, comparable to the well-studied Tenebrio molitor larvae. Gut microbiome and transcriptome analyses revealed that both species degrade PS and PP primarily via gut microbiota, while PE degradation involves synergistic effort between larval host and microbiota, with interspecies differences in biodegradation efficiency linked to gut microbiome diversity.
Biodegradation of Polystyrene by Plastic-Eating Tenebrionidae Larvae
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Researchers examined the biodegradation of polystyrene by Tenebrionidae beetle larvae, testing the ability of plastic-eating mealworm larvae to break down the highly stable, hydrophobic polymer. The study characterized polymer molecular weight changes, gut microbiome contributions, and metabolic byproducts, demonstrating that larval gut bacteria play a key role in PS depolymerization.
A New Coleoptera Member ( Ulomoides dermestoides ) to Biodegrade Plastics
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The beetle Ulomoides dermestoides was identified as a new plastic-biodegrading insect, with larvae capable of consuming and partially degrading various plastic types. The discovery adds to a growing list of plastic-eating insects that could inform bioremediation strategies for plastic waste.
Biodegradación del plástico con larvas de insecto Tenebrio molitor como contribución interdisciplinar a la biotecnología a la biotecnología medioambiental
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Researchers investigated the ability of Tenebrio molitor beetle larvae to biodegrade polystyrene plastic, finding measurable biomass productivity and visible physical changes in the plastic, suggesting that mealworm-based biodegradation could contribute to sustainable plastic waste reduction in environmental biotechnology.
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