Oaks in Toronto

Discussion in 'Bugs and Crud' started by SamArborista, Sep 5, 2017.

  1. SamArborista

    SamArborista New Member

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    Hi,

    The image is White Oak (taken last week as close up as I could get) with what look to be some sort of pink scale type bug. If you zoom right in you can see two large oak apple galls? sort of behind the leaves as well. Some of the leaves are completely chewed to the main ribs and others appear to be skeletonized? Looks like there is more then one culprit responsible for this damage. Does anyone have any thoughts on what type of scale (if that's what is) and/or what else might be chewing these leaves? Thanks! DSCF2007.JPG
     
  2. SamArborista

    SamArborista New Member

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    Sorry - this in the Toronto area.
     
  3. oldoakman

    oldoakman Well-Known Member

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    Judging by the time of year and learn es chewed to the veins, I would say orange striped oak worm.
     
  4. KTSmith

    KTSmith Well-Known Member

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    For those pinkish roundy things, I'd start with one of the oak Lecanium scales. The oak worm might be there too, but check out that scale.
     
  5. JD3000

    JD3000 Well-Known Member

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    I see pinkish roundy things on the leaves, type of cynipid wasp gall.

    Am I missing scale on the stems?
     
  6. KTSmith

    KTSmith Well-Known Member

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    Oops! Looks like a bad call on my part. I defer to JD. Once again, the sort of error I'm more likely to make from a photo than from a sample.
     
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  7. guymayor

    guymayor Well-Known Member

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    Late season feeding; inconsequential.
     
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  8. JD3000

    JD3000 Well-Known Member

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    Winner winner, chicken dinner.

    Sam, enough photosynthate has been produced for the rest of this season and the start of next season so it's no biggie.

    If it's a major aesthetic problem for some reason, try to figure which chewing insect(s) is the culprit and find out when they emerge next year.
     
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  9. guymayor

    guymayor Well-Known Member

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    Make mine mock--seitan! Anyway yes leaves are damaged but no tree is not damaged; shedding, in a sense.
     

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