Rhodies And Strawberry Tree - Knowledgebase Question

Snohomish, WA
Question by brianc0
April 23, 2000
One of my Rhodies and srawberry tree are getting the leaves chewed on. I beleive it is root weevil. What is the best way to control them?
My other Rhodies are not affected(one slightly) so I am thinking of just digging up the chewed on one and replacing it with a resistant strain. Would really like to save my strwaberry tree. The bugs are eating end half of all the leaves.


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Answer from NGA
April 23, 2000

0

Root weevils can be a real problem for rhododendrons! The adults hide in the soil during the day and crawl up the plant at night to feed on the leaves. They prefer the newest leaves, and generally take notches out of the margins of the leaves. The grubs (immature weevils) feed on the roots of the plants. If the rhodie leaves have notches in them, it's the work of root weevils. You can handpick them (go out with a flashlight at night), or put a sticky trap on the main stem of the rhodie to catch the insects as they try to climb up the plant. Tanglefoot is a product that's effective in trapping crawling insects. Be sure to read the label and follow all the precautions.

This same control measure will work well for your strawberry tree, as well.

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