They tend to be prone to sooty mold, scale insect and woolly aphid
. If you have a citrus plant that is shedding leaves, investigate and intervene immediately.
These insects, which often invade apple trees, hide under a white fluff often mistaken for mould.
Sugarcane woolly aphid
(Ceratovacuna lanigera Zehtn.), its history and control measures.
Balsch, Studies of the Balsam Woolly Aphid
, Adelges Piceae (Ratz.) and Its Effects on Balsam Fir, Abies, (L.) Mill, vol.
Evaluation of pine woolly aphid
damage to Pinus patula and its effects on yield in Kenya.
might attack the mountain ash, learned to recognize the woolly aphid
Useful planted around apple trees to attract predators of the woolly aphid
Symptoms of infestation by the balsam woolly aphid
displayed by Fraser fir and bracted balsam fir.
Pyracantha and box plants are prone to attack from woolly aphid
which can do a lot of damage when it is warm as they can multiply rapidly and in July they develop a winged aphid that can fly off looking for a new host plant.
Apples are also attacked by five different species of aphids, the most prevalent being the woolly aphid
, the tell-tale presence of which is a covering of white, woolly wax, where the colonies cling to the bark.
A I expect that this is the work of a woolly aphid
- a kind of greenfly.
The Society's current top ten pests are: slugs and snails, vine weevil, rabbits, ants, deer, scale, woolly aphid
, red spider mite, cyprus aphids and glasshouse mealy bug.