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Pests & Diseases - Australia

black stuff

20 years ago

greetings all

i bought 2 natives,kunzea ambigua, about a year ago...one is doing fine whilst the other has a black coating all over the stems and bark plus a few white flea sized mites on the spikey lesves.

i dont want to treat till i know what they are.

can someone help with a solution

thanks

stratton

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Comments (6)

User
20 years ago
It sounds like it might be scale and sooty mould. Are the 'mites' really flat to the leaf and a bit waxy?
Cheers,
Dee.
chev5700
Original Author
20 years ago
hi dee
the mites are white and a bit hairy. the black stuff is evenly distributed all over the heavier growth on stems etc.
hope this helps
thanks
stratton
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miketrees
20 years ago
We have a lot of native insects (like mealy bugs)many have not been identified.
You treat them like scale insects.
User
20 years ago
Perhaps woolly ahphids. Google for pictures to identify. The sooty mould isn't really a problem. You can spray the aphids (if that's what they are) with a number of different products that are readily available even in the supermarket. I prefer one that is pyrethrum based, as it is less toxic to our environment.
Cheers,
Dee.
miketrees
20 years ago
It sounds like a type of native mealy bug, with sooty mould
chev5700
Original Author
20 years ago
thanks all
stratton

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