Can anyone tell what this is on the leaves?

We have 3 Magnolia's (little gem) and we have all these white things stuck to the leaves and stems (but mostly the leaves). It kinda resembles plaster. It's only on the underside of the leaf, not top. The trees look like they are slowly dieing.

We live in Perth, Western Australia.

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2 Answers

  • Sam
    Lv 7
    8 months ago
    Favourite answer

    Looks like mealybug.

    Alcohol on a Q-tip will kill them.

    You should just remove that leaf, it looks dead.  Apply the alcohol on the plant everywhere else they are. 

    The plant might be getting too much watering. 

  • 8 months ago

    Looks like bug eggs of some kind. Aphids? No clue about Australian insects, I'd remove the leaf at least and find a spray solution. 

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