Second, the act of cutting down any tree will not bother them.

Aphids, Army-worms, Anthracnose, Scale — We use a systemic material which is absorbed by the leaves and is active for about six weeks.

Spray oils help to smother over wintering insect pests, and help the spray stick to the trees. We add other products to the mixture that help the spray stick even better when rain is likely soon after spraying.

Ornamental trees that are related to fruit trees flowering plums, pears, crabapples, bushdig.barted Reading Time: 9 mins. Jul 19, BEST PINE BARK BEETLE SPRAYIf you are in a region where pine bark beetles are active or if you have had some bad experience with them in the past, consider treating and protecting any tree you value.

Such treatments should done at least once.