Phalaenopsis with white stringy substance on underside of leaf
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Phalaenopsis with white stringy substance on underside of leaf
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  #1  
Old 10-23-2018, 10:56 AM
brandiloring brandiloring is offline
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Phalaenopsis with white stringy substance on underside of leaf Female
Default Phalaenopsis with white stringy substance on underside of leaf

Hello all,

I have Phalaenopsis orchid that has about a dozen of finger like white protrusions with white chunks on the end of the protrusion on the underside of only ONE leaf. I have 5 orchids total and no other orchid has this on them. My orchids are sharing a large bay window sill space with other orchids and plants. I have moved this orchid with the mystery substance away from the other plants just in case it’s contagious.

I did let some of my orchids spend some time outside this summer. I did not use any spray on them. They have been inside for several weeks now but this hasn’t been there until a few days ago.

Has anyone had this on their orchids and if so what did you do to remove them?
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Phalaenopsis with white stringy substance on underside of leaf-2130143f-0fd1-4729-8dcb-da0ed4354a2a-jpg   Phalaenopsis with white stringy substance on underside of leaf-23871319-9efd-4928-a65e-d434e5f1f641-jpg   Phalaenopsis with white stringy substance on underside of leaf-6a2979f6-f878-46d3-8186-f11242884c4b-jpg  

Last edited by brandiloring; 10-23-2018 at 11:14 AM.. Reason: Added detail
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  #2  
Old 10-23-2018, 01:39 PM
metazooa metazooa is offline
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Phalaenopsis with white stringy substance on underside of leaf
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Looks like the fruiting body of a fungus

Do you have any pictures of the topside of the leaf? Any unusual discoloration or patterns?

Last edited by metazooa; 10-23-2018 at 01:51 PM..
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  #3  
Old 10-23-2018, 07:12 PM
Benno Benno is offline
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Phalaenopsis with white stringy substance on underside of leaf
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They are insect eggs. You can just wipe them off before they hatch.
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  #4  
Old 10-23-2018, 10:38 PM
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Phalaenopsis with white stringy substance on underside of leaf Male
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Lacewing eggs. A beneficial predatory insect which will eat pest insects.
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Old 10-24-2018, 12:18 AM
ponderingjunkman ponderingjunkman is offline
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Phalaenopsis with white stringy substance on underside of leaf
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Spandex, you need to park that in the greenhouse! I'd love to have lace wings to eat the white flys we have had!
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Old 10-24-2018, 03:37 AM
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Agree, those are lacewing eggs! Their larvae are ferocious pest eating machines with an unsatiable appetite for fresh insect flesh.
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Old 10-24-2018, 09:16 AM
Mountaineer370 Mountaineer370 is offline
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Phalaenopsis with white stringy substance on underside of leaf Female
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Fascinating! I love how I learn so many things from this board. Lacewings sound like something I would definitely welcome around my plants outdoors, but I don't suppose I would be happy having the adults flying around inside my house, even though they are kind of pretty and quite non-scary for insects.
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Old 10-24-2018, 11:27 AM
brandiloring brandiloring is offline
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Phalaenopsis with white stringy substance on underside of leaf Female
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Thank you everyone!
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Old 10-24-2018, 01:31 PM
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Phalaenopsis with white stringy substance on underside of leaf
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Quote:
Originally Posted by ponderingjunkman View Post
Spandex, you need to park that in the greenhouse! I'd love to have lace wings to eat the white flys we have had!
"spandex"??? Now we need to see a picture...
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