red aphid, uroleucon nigrotuberculatum, on plant stem at belding wildlife management

agriculture animal aphid aphids area arthropod belding chain colony connecticut conservation consumer destroy destructive england environment flies food forest garden green greenfly group infestation insect invasive lice management million natural nature new nobody northeast nymph nymphs organic outdoors pest pests plant preservation primary pyramid red reserve species stem summer swarm trophic uroleucon usa vegetarian vernon vertical wildlife