aphid is feeding on stem of lathyrus pratensis. whole colony of the green aphids on the flower in the city garden

agriculture aphid aphididae aphidina aphidoidea aphids aphis attack backdrop background birth bite breeding bug city close colony damage environment farming feeding flower garden gardening generation green insect invasion kind lathyrus lawn leaves leguminosae new nutriment parasite pasture pest plant pratensis sap stalk stem suck suction town vermin vicia weed white yellow