Insect Extinction?

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Insects are the most varied and abundant animals outweighing humanity by 17 times, yet they are in decline in many parts of the world. Insects have been called the ‘glue’ in nature and are essential for the proper functioning of all ecosystems as pollinators, food for other animals, and recyclers of nutrients. This month the United Nations IPBES report said insect abundance has declined very rapidly in some places, and the available evidence supports a “tentative” estimate that 10% of the 5.5m species of insect thought to exist are threatened with extinction. Leading entomologists tell Tom Heap that insects have an image problem when it comes to conservation and the first step is getting people to care about these little creatures. We hear about the weird and wonderful world of some insect species that are declining in the UK, including mayflies and dung beetles and discover just how they contribute to the systems we humans rely on. The conversion of natural environments to create farmland is one of the main causes of the decline, with the use of pesticides, urbanisation and climate change also major factors. Tom asks global pesticide manufacturer Bayer about what they’re doing to help reverse insect decline and considers how we can practically make more space for insects. Producer: Sophie Anton Photo credit: Dr Beynon's Bug Farm

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