multicoloured asian lady beetle and aphid on a green leaf

eating greenfly blackfly aphid aphids asian axyridis beetle biodiversity biological biology bird bug carnivorous closeup coccinellidae cochineals coleoptera color colour control descriptive development enemy entomology environment harlequin harmonia imago insects lady ladybird ladybug macro mealybug mediterranean nature pest predator protection protective seasons spot stage variation ventral wild wildlife hemiptera aphididae