{"id":19696,"date":"2025-12-03T12:24:42","date_gmt":"2025-12-03T11:24:42","guid":{"rendered":"https:\/\/www.areasciencepark.it\/anche-linsetto-piu-resistente-dellantartide-ingerisce-microplastiche\/"},"modified":"2025-12-03T13:26:44","modified_gmt":"2025-12-03T12:26:44","slug":"even-antarctica-toughest-insect-ingests-microplastics","status":"publish","type":"post","link":"https:\/\/www.areasciencepark.it\/en\/even-antarctica-toughest-insect-ingests-microplastics\/","title":{"rendered":"Even Antarctica toughest insect ingests microplastics"},"content":{"rendered":"

A new study<\/strong><\/a>, supported by the research infrastructure consortium CERIC-ERIC<\/strong><\/a>, has found that microplastics<\/strong> – tiny fragments of plastic less than 5 mm in size – have begun to infiltrate even the most remote terrestrial ecosystems on Earth<\/strong>: the uninhabited lands of Antarctica. The research, conducted by a team of scientists from the University of Kentucky<\/strong>, the University of Modena and Reggio Emilia<\/strong> and Elettra Sincrotrone Trieste<\/strong>, reveals that while microplastics can be ingested by the Antarctic midge Belgica antarctica<\/em>, immediate physiological harm appears limited. However, the findings underscore the need for expanded monitoring as human activity and plastic pollution continue to rise globally, even at the most unexpected locations.<\/p>\n

Plastic pollution<\/strong> has become a defining environmental issue worldwide<\/strong>. Although Antarctica is geographically isolated, previous research has already shown that microplastics can reach the continent through marine transport, atmospheric deposition, tourism, and even scientific operations. However, until now, little was known about how these pollutants affect the tiny soil-dwelling invertebrates that form the foundation of Antarctic land ecosystems.<\/p>\n

\u201cIn our study \u2013 explains Nicholas Teets<\/strong>, entomologist at the University of Kentucky and coordinator of the research – we examined both lab-exposed and wild-collected midge larvae, offering the first comprehensive assessment of microplastic ingestion and its physiological impacts in B. antarctica<\/em>, the continent\u2019s only endemic insect and one of its most abundant terrestrial animals\u201d. In fact, despite their size, Antarctic midges play a crucial role in nutrient recycling and soil ecosystem health<\/strong>: with only a handful of terrestrial animal species inhabiting the continent, any pollutant that threatens these invertebrates could affect the entire food chain.<\/p>\n

\u201cThanks to the use of advanced imaging techniques, such as micro\u2013Fourier Transform Infrared (FTIR) and Raman spectroscopy \u2013 adds Elisa Bergami<\/strong>, ecologist at University of Modena and Reggio Emilia \u2013 we detected for the first time microplastic fragments inside the digestive tracts of wild midge larvae. Although ingestion was rare and detected in fewer than 7% of field-collected individuals, these findings confirm that plastics are reaching Antarctic soils\u201d. Interestingly, when larvae were experimentally exposed to varying concentrations of microplastic beads for 10 days, researchers found neither effect on survival (even at doses far exceeding expected environmental levels) nor detectable change in metabolic rate, suggesting that short-term exposure does not disrupt core physiological processes. \u201cHowever, we observed a decrease in lipid reserves at high doses, indicating possible impacts on energy metabolism that could have consequences during harsh Antarctic winters\u201d points out Jack Devlin<\/strong>, researcher at the University of Kentucky and first author of the study.<\/p>\n

\u201cBesides highlighting the advantages to use, in modern entomology, a multidisciplinary approach based on advanced, complementary analytical techniques (as the ones available in Elettra and in the CERIC Consortium) \u2013 comments Lisa Vaccari<\/strong>, senior scientist at SISSI-Bio facility of Elettra Sincrotrone Trieste \u2013 this work also shows the importance of minimizing contamination from scientific activities themselves, recommending non-invasive techniques such as \u03bc-FTIR imaging as the most reliable method for future assessments\u201d.<\/p>\n

While the immediate physiological effects on Belgica antarctica<\/em> appear minimal, the long-term consequences<\/strong> – especially under increasing environmental stress – remain unknown<\/strong>. More in-depth studies are then urgently needed, also to examine possible tissue damage or molecular responses within insects exposed to plastics.<\/p>\n

 <\/p>\n

CERIC-ERIC is a European research infrastructure consortium established by the European Commission and the Government of eight Countries in 2014. It offers researchers and industry access to more than 60 experimental analytical and synthesis techniques in advanced research facilities in eight Central and Eastern European countries, and associated institutions. This supports multidisciplinary research down to the micro- and nano-level in the fields of advanced materials, biomaterials and nanotechnology. In CERIC\u2019s facilities, materials can be analysed and their structure investigated by combining techniques based on the use of electrons, ions, neutrons and photons. Access to CERIC\u2019s research services is through international calls for proposals that allow free access to multiple techniques and reward the best projects, provided their results are open and published. In addition, there is commercial access for proprietary research open to companies, and support for technology transfer. <\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

A new study, supported by the research infrastructure consortium CERIC-ERIC, has found that microplastics – tiny fragments of plastic less than 5 mm in size – have begun to infiltrate even the most remote terrestrial ecosystems on Earth: the uninhabited lands of Antarctica. 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