A project to help boost the UK’s dwindling bumblebee population has been launched and it needs people’s help. The Royal Horticultural Society and Bumblebee Conservation has started work to try and understand which plants and flowers the insects most prefer in the spring. That knowledge, say both charities, will help to boost numbers of the ‘vital pollinators’ because with a greater understanding of their behaviour, gardeners will be able to do more to encourage them to thrive. When the weather starts to warm, queen bumblebees emerge from hibernation seeking flowers for nectar as energy for fly…