Insects pollinate over 35 per cent of the food we eat or feed to livestock – like fruit, vegetables, oilseeds, legumes and fodder. While bees didn't set out to fertilise food crops for the good of humankind, their urge to collect pollen and nectar for the good of the hive, by a stroke of luck, has provided us with an ‘ecosystem service' that's become indispensible to our way of life.