By Graeme Murray & Mike Taylor An Asian hornet ‘ecological nightmare’ warning has been issued by environmental experts. The aggressive yellow-legged hornets eat other flying pollinators, sparking fears of bee populations being affected. The insects are recognised by their distinctive appearance; they have an orange band on the fourth segment of their abdomens, and characteristic yellow legs. They are an invasive species that has spread across Europe, and fears have been raised about them becoming established in the UK. The insects pose a threat to British bees by destroying their hives and eat…