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This is a discussion on Is this thripes? Gasp! within the Orchid Ailments / The Compost Pile forums, part of the Orchid Culture category; Okay--so I noticed over the past week or so that several of my plants in ...
Okay--so I noticed over the past week or so that several of my plants in bloom have had petals that started looking rough around the edges. I assumed at first that it was just the CRAZY August heat. But, then a new bud opened and it had the same damage. The edges of the petals look like something has sucked on them. This morning, I found some tiny little black(?) bugs hiding . . . (the bug picture is enlarged several times--just looking at them they are tiny little black specs).
I am worried these are thripes? Is it? If so--holy crap what do I do? If it isn't thripes--what do you think they are?
Thanks for any suggestions.
ooh, I had those wreck my gladioulus border a few years ago, when I had a garden. My heart goes out to you
I'm afraid they came with some of our landscaping plants. We just had a bunch of plants sitting right outside the greenhouse windows for a few days--with the windows open. Argh! The landscaping plants are showing some of the same signs. I can't believe the little buggers got in my greenhouse!
So has anyone else actually had to get rid of these in the orchid collection?
i hang tacky strips. insecticidal soap also works. they are tenacious and you must be very diligent.
Spray ASAP. Don't mess around with this. Spray both outside and inside and repeat in three or four days until you don't see them any more. Good luck.
Last night I took a "take no prisoners" approach. I went to my favorite big box store and bought a couple of bottles of Safers as well as my favorite plant insecticide spray which also kills thripes.
It took a long time last night--and two and a half bottles of Safers, but I think I sprayed every leaf surface, potting material surface and well any other surface in the greenhouse. I cut off the spikes of the couple of phals that I had actually seen the buggers or their damage on and removed them. I'll spray again in a couple of days with the insecticide.
I guess I'll go back to the store today and get more insecticide--since if I'm going to be spraying every couple of days at 2.5 bottles per time--I'm going to need to stock up.
I just can't believe these little buggers got in . . . argh! All my hard work this summer and now they'll eat all my flowers! So frustrating . . . .
They'll get in your soil. too, that is the important thing to avoid future infestation: if you have not had them in your yard before, you must now get rid of all the soil associated with the plants they came in on, and replace it. That way you stand a chance of interrupting their life cycle.
I had to move my glads into isolated soil-pockets with buried pots and that got them under control, but they were residential in the soil of that garden so eventually I gave up and only grew the flowers they seemed to leave alone.
Be careful of bringing in any new plants and cut flowers from markets and big box stores, many times they hitch a ride like this. good luck.