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  • 2 Post By Cjcorner
  • 1 Post By 78Terp


This is a discussion on Mite? within the Orchid Ailments / The Compost Pile forums, part of the Orchid Culture category; Hi guys, was so looking forward to my new dendrobium cane flowering, when I noticed ...

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  1. #1
    Purrl is offline Junior Member
    Join Date
    Oct 2014

    Exclamation Mite?

    Hi guys, was so looking forward to my new dendrobium cane flowering, when I noticed white spots on the leaves and the flower stalk went white and collapsed. Today I was inspecting the plant and noticed this little critter.... next to the damage it caused to the leaves. Is it a mite? How do I treat it?
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  2. #2
    raybark's Avatar
    raybark is offline Senior Member
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    Ray Barkalow
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    Oct 2012
    Buckingham PA


    I don't know what that beetle is, but the white stuff looks like mealy bugs.

  3. #3
    Cjcorner's Avatar
    Cjcorner is offline Senior Member
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    West of Tampa, FL
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    You definitely have mealy bugs...if you do not usually spray your orchids there are a couple home remedies that may help. Get a spray bottle and put in a liter or so water, then add rubbing alcohol about a cup and then a very long squirt of old fashioned dish detergent (the cheap stuff with no additives for soft hands etc). Shake it to mix it well and spray until the entire plant is drenched, then sit in front of a fan until dry. When done pour what is left through the potting material. Repeat this every 4 or 5 days until you don't see anymore white puffy things. Also; if you have a flower spike on there, even old shriveled ones...spray the spike really well as they will hide in your flowers and up the spike. Once you have more than a dozen orchids you should start spraying a couple times a month at least of a bug systemic. That way if a bug tries to eat the plant it dies. A spray bottle costs a few dollars but will save you so many plants. Also; if you look online you can find premixed sprays for small orchid collections. Sorry for such a long post...hope this helps. :0)

  4. #4
    78Terp's Avatar
    78Terp is offline An Avant Gardner
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    Nov 2013
    Littleton, Colorado
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    For the white spots, mealy bugs, use isopropyl alcohol on them. Spray or dab on them. Personally, I use full strength with a few drops of liquid dish soap in it.

    Mealy bugs can and will kill your orchids. You have more to worry about with the mealy bugs, IMO than the bug in the picture. But I would certainly want to be free of both.

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