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08-22-2014, 04:55 PM
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Senior Member
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Join Date: Sep 2013
Zone: 6b
Posts: 297
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I HATE CATERPILLARS
LOOK WHAT I FOUND THEM DOING TO MY POOR DENDROBIUM
THEY FRIGGIN' GANG UP ON THIS ONE PARTICULAR PLANT
not that I want them on any of my other plants, because I don't, but THIS IS RIDICULOUS. THIS ONE IS A BABY AND IT NEEDS ALL THE PHOTOSYNTHESIS IT CAN GET 
Last edited by Skycat; 08-22-2014 at 04:58 PM..
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08-22-2014, 05:25 PM
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Senior Member
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Join Date: Jul 2012
Zone: 8a
Location: Athens, Georgia, USA
Posts: 3,208
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Caterpillars, or slugs/snails?
Just asking because the controls are different. If you have seen caterpillars, then Bacillus thuringiensis (BT), widely sold under various trade names, will take care of them.
Slugs/snails have previously eaten Dendrobiums I have had in the past (if you don't see them, they may still leave a shiny snail trail in the pot or on the plant).
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08-22-2014, 06:28 PM
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Senior Member
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Join Date: Sep 2013
Zone: 6b
Posts: 297
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It is caterpillars. I saw them. These things just suddenly showed up a couple days ago! I'm not even sure where they're coming from. I haven't had a chance to take pictures of them, but they're mostly green and they have long white hairs.
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08-22-2014, 09:10 PM
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Senior Member
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Join Date: Jul 2012
Zone: 8a
Location: Athens, Georgia, USA
Posts: 3,208
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Probably fall webworm or a relative. Try the BT. Good luck!
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08-23-2014, 08:30 AM
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Senior Member
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Join Date: Jun 2014
Location: Harare, Zimbabwe
Age: 54
Posts: 415
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You have an interesting looking cactus there ...
What is it?
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08-23-2014, 02:16 PM
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Senior Member
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Join Date: Sep 2013
Zone: 6b
Posts: 297
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Quote:
Originally Posted by Orchid killer
You have an interesting looking cactus there ...
What is it?
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The one with the flower? That's a Gymnocalycium mihanovichii. You usually see them in stores in tacky bright red or yellow colors (due to lack of chlorophyll), grafted onto Hylocereus. I got this one because it didn't have any of that nonsense going on; it was just dark-colored and potted like a normal cactus. Hardly had any roots, but that problem fixed itself eventually.
It's been putting up flowers all summer. |
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Post Thanks / Like - 2 Likes
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08-23-2014, 11:32 PM
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Senior Member
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Join Date: Nov 2013
Zone: 6b
Location: Windsor, Ontario
Posts: 126
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Quote:
Originally Posted by Orchid Whisperer
Probably fall webworm or a relative. Try the BT. Good luck!
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Fall webworms feed mainly on treed and shrubs. I don't see why they would choose dendrobium? Even then, there would be webs or at least one caterpillar to be found.
I would be a bit skeptical to say its a caterpillar, since many are monophagous. Even then, it should be very unlikely to find a local caterpillar that would feed on dendrobiums, unless you live within the range of dendrobiums or any related orchids. |
08-24-2014, 04:31 PM
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Senior Member
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Join Date: Nov 2006
Posts: 1,477
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yes caterpillars are devastating to some orchids. What happens is a moth will lay eggs somewhere close by, the babies hatch out and start their feeding. For me they prefer the softer leaved Dens and also my Masdies, leaves and blooms.
Orchid Whisperer my water always has BT in it and it doesn't seem to kill them. The Bayer insecticide will eliminate them.
Brooke
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