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Pests on Callistemon

Posted by pennyw74 NSW (My Page) on
Fri, Aug 15, 14 at 3:20


My callistemon is being attacked by pests and I'm really not sure what they are and then how to treat it.

Could somebody please help?

I have attached photos.



Follow-Up Postings:

RE: Pests on Callistemon

Here is another photo of a different stem. It's happening on most of the bush.

RE: Pests on Callistemon

Those black spots on the leaves appear to be hard scales; native honeyeaters often keep them under control on callistemons but their absent can lead to infestations that can be difficult to control. Ongoing spraying with a white-oil mixture is the usual treatment, but the coverage over the insects must be thorough.

RE: Pests on Callistemon

I dunno, sometimes I type out a response/message press the right butoons, come back the next day and it hasn't worked. My fault or this sometimes unstable site?
Anyway, I agree with Ted except I thought that black scale was 'hard' scale, not that it makes any difference the remedy is the same. My reference (Encyclopedea of Aus Gardening) says that native honey-eater birds usually keep the scales under control. Do you have any of those about, pennyw?

RE: Pests on Callistemon

Hi funnelweb, I have just posted more photos in the other Australian Native Plants forum of more pests I've found on my callistemon - what do you think they are?

RE: Pests on Callistemon

I'll go have a look, see if I can find it.

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