Ladybirds - here are 47 species of ladybird species that can be found in the UK and each one varies in size and colouring. Their bright colours are used to warn predators of their foul taste however, some species of ladybird lack this foul taste and instead rely on predators associating all ladybirds as being bad to eat. Ladybirds are often viewed as a pleasant visitor to gardens this is because they not only help pollinate plants, but they also help maintain aphid populations at bay helping to protect gardeners' plants.