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Results 1 to 4 of 4 does it spread?

This is a discussion on does it spread? within the General Orchid Culture forums, part of the Orchid Culture category; I found mealybug on my Ctna. this morning. It is very strange because I'm growing ...

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  1. #1
    Cinderella is offline Senior Member
    Join Date
    Jun 2004
    Louisville, KY

    Default does it spread?

    I found mealybug on my Ctna. this morning. It is very strange because I'm growing in an indoor sunroom and this is not a new plant. It was in very close proximity to a few other orchids, on a humidity tray.

    So....I took the Ctna. outside and sprayed it with Safer's Soap. Is this enough to kill the mealybug or will I need several applications? The plants around this plant don't seem to have it. How can that be? Does it become airborne? Also, do the neighboring plants need to be sprayed too? How far away does this Ctna need for isolation?

    Thanks, all.

  2. #2
    Ki_in_NoVa is offline Senior Member
    Join Date
    Jul 2004
    Arlington, VA


    Good that you found it early! Yes, you should reapply to catch newly hatching nymphs. I usually do a visual inspection every 3 days, and treat once a week for 3 weeks. On catts, I usually use rubbing alcohol and paint (with a brush or Qtip) the pbulbs, especially the papery stuff and around old flower spikes/sheaths. The adults move quite fast so yes, do isolate. And check the neighbors carefully.

    Mealybugs are easy if you catch them early.

  3. #3
    Forrest is offline Senior Member
    Join Date
    Jun 2004


    Mealies are tricky little buggers, and they can get to be quite far spread in a short amount of time. The safers soap will work on the ones that are not in to root system but it will take continued application to keep them under control. I just dealt with my mealie problem today. I brought out the sprayer and my respirator and hit them with Orthene. I gave tehm a good spray down so that the solution gets into the roots and can work its magic on the little buggers and their eggs in there. If you dont want to use anything to strong the best thing I could suggest is to use Isopropanol alcohol about once a week until you see them go away. Any that you can actually see get them with a q-tip soak with alcohol. The one that you noticed the bad infection on, it is best to repot it and make sure you get the roots and everything with alcohol.

    Good luck, I know how frustrating it can be!

  4. #4
    momokev's Avatar
    momokev is offline Senior Member
    Join Date
    Jun 2004
    Mooresville, NC


    I feel your pain, Cinderella! I found one on the flower spike of my Sharry Baby and promptly removed it with alc and q-tip. I thought all was well until I read the website Kim_in_nova shared with us. Now I'm not so sure! It's been at least 2 weeks, so I'm going to take a wait and see approach. This is it's second blooming this year and it has 3 spikes... I can't mess with them. I'll take them ugly critters more seriously in the future, I'll tell you that!


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