leaves on the plum shoot curled up due to the presence of aphid colonies- hyalopterus pruni (mealy plum aphid)

plant green produce leaf tree flower shrub branch food fruit evergreen herb blossom nature deciduous wildflower vegetable leaves plum shoot curled presence aphid colonies- hyalopterus pruni mealy invasion spring summer damage animal biological control pest garden wild parasitoid predator aphids colony dangerous fuchsia horticulture closeup orchard agriculture gardening plague larvae yield reduction plums infection bug macro insect parasite wildlife bloom