Woolly Aphids

Our pest today is an unusual version of a common insect. Most people know what an aphid looks like. They are soft bodied tiny insects that suck plant juices by inserting a pointed snout into the plant. They are very common in most gardens. Colonies of mothers and daughters are fairly well known on the new growing tips of plant shoots like roses. One other kind of aphid that is not so well known is the woolley aphid. They are called woolley because of a white waxy covering on their backs that keeps them protected from the elements. When giant colonies of these insects cover twigs it can look like the branches are coated with snow. When you take a closer look it is appalling how many thousands of individual insects are attacking the plant and sucking plant juices. The branches can be overwhelmed and dry up and die. This is a picture of a fine big colony attacking my ornamental cherry tree.

The white stuff on these branches is wall-to-wall insects attacking the twig.

Although I may have been a little late discovering what was going on, they have now all been sprayed with Orthene insecticide. I hope they are incapacitated and I will not lose this branch.


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