True Fir: Balsam twig aphid
True Fir: Balsam twig aphid categories: Conifers Ornamentals True Fir True Fir Insects revision date: 2024-06-05 08:29 Balsam twig aphidPhoto by: A.L. Antonelli Biology Balsam twig aphids feed on needles and buds of firs. Three distinct forms of the balsam twig aphid occur. Aphids may be (1) small and yellow-green, (2) large and bluish-gray, or […]