a close-up shot of a tree affected by woolly aphid.

plant branch frost leaf tree nature twig freezing grass wildflower blossom thorns shrub close-up shot affected woolly aphid? aphid aphids sap-sucking insects produce filamentous waxy white covering resembles cotton adults winged move lay egg masses abaci agriculture aleyrodidae aphid aphids arachnid background branch bug cotton damage destructive eriosoma lanigerum ficus fig flea garden gardening hemiptera hesperidium horticulture infestation infested insect insects ladybug larva leaf mealybug mulberry natural nature outdoor parasite parasites parasitoid pest pesticide pesticides plant plant-louse tree vaporariorum vermin whiteflies whitefly wildlife woolly apple