rapeseed aphid, brevicoryne brassicae, mealy cabbage aphid linnaeus masses of pests on the oilseed rape plant macro close up photo

aphid aphididae aphids aphis arthropoda blossom branch brassica brassicaceae brassicae brevicoryne cabbage close closeup colony control damage damaging floury flower food fruit garden gardening grass green greenfly infestation insect insects leaf linnaeus louse macro masses mealy natural nature naturerapeseed oilseed parasite parasitoid pest pests photo plant produce rape rapeseed season shrub small summer sunlight tiny tree twig wasp white wildflower yellow