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Regional school students buzzing over citizen science project results

News release
15 November 2022

Budding junior entomologists from Loxton North Primary School have helped to successfully recorded thousands of new insects as part of the South Australian Museum’s citizen science project, Insect Investigators.

The Murraylands and Riverland Landscape Board is a partner in the project, which launched in September 2021, connecting regional and remote students from 50 schools with researchers to learn about Australia’s rich biodiversity.

Each school set up an insect trap in March 2022 which they used to collect and monitor local insects over a four-week period. From this, more than 14,000 insect specimens were selected to be DNA barcoded by the Centre for Biodiversity Genomics at The University of Guelph in Canada, and DNA barcoding results have recently been released.

Murraylands and Riverland Landscape Board Project Officer Alice Woodward said that Insect investigators has been a fulfilling experience for the Loxton North School students and all involved.

"Getting to visit the schools to share the results and seeing their passion for the project and the joy scientific discovery can bring to the students and teachers has been an amazing experience".

Only around 30 percent of the estimated 225,000 insect species in Australia are formally named and described. DNA barcoding involves sequencing a small section of the genome and using the variation among these barcodes to discriminate species, explains project leader Dr Erinn Fagan-Jeffries.

“While the gold standard is always going to be identifying and describing insects using DNA data in combination with their physical characteristics, the DNA barcodes provide a fast and cost-effective way of shining a light on the remarkable diversity of insects in Australia that we know so little about,” she said.

Through Insect Investigators, participating schools have added more than 12,500 new DNA barcodes to the international online repository, the Barcode of Life Database. The variation among these barcodes suggests that there are more than 5,000 different species present among the specimens, and just over 3,000 of those are brand new records on the database.

Each of these DNA barcodes relates back to an individual insect specimen that will be deposited in the entomology collections at the South Australian Museum, Queensland Museum and the Western Australian Museum. Taxonomists from around Australia will then be able to examine and determine if they represent undescribed species.

“It is highly likely that all contributing schools have found species new to science which is really exciting, but how many of these species we are actually able to describe is dependent on the resources and support available for taxonomy,” shared Dr Fagan-Jeffries

"Despite there currently being many more insect groups than taxonomists, we are hopeful that the taxonomists will be able to spot some new species that can be described, and in those cases, the students will then be invited to name the unique species that they have discovered,” she said. The DNA barcoding results will be publicly released today on the Insect Investigators website.

Insect Investigators received grant funding from the Australian Government, is led by the South Australian Museum and involves 17 partner organisations including the Murraylands and Riverland Landscape Board.

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