RHODODENDRON INSECTS

By The Old House Web

RHODODENDRON INSECTS

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Black vine weevil and strawberry weevil adults feed at night, notching the leaf margins and making holes in the leaves. The larvae feed on the roots and bark, girdling and killing the plant. Use acephate to control black vine weevil.

Lace bugs cause leaf yellowing. Brown specks on the undersides of leaves are insect excrement. Sunny sites may lead to higher lace bug populations. Use sprays of acephate.

Mites cause leaf discoloration.

Scales may be found on branches and stems of unhealthy- looking plants. Use dormant oil in spring. Sprays of Sevin control crawlers. The preferred method of control involves regular inspection for early detection of the infestation then spraying with dormant oil.

Visuals associated with this text.

Visual title - Visual size Visual title - Visual size
Lace bug damage - 21K Lace bug on azalea - 31K
Lace bug close up - 48K Rhododendron borer - 31K
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