close shot of the mealy cabbage aphid

agriculture animal aphid aphididae aphids background brassica brassicae brevicoryne bug cabbage cauliflower closeup colony crop ecology entomology floury foliage garden green greenfly hemiptera infested insect leaf louse macro masses mealy nature nuisance outdoor parasite pest plague plant plum rape rapeseed sap small sucking summer tiny vegetable white whitish wild wildlife