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Cottony Webby Substance on Houseplant

Cottony Cushion Scale

Cottony Cushion Scale

Ask the Expert: what is the cottony/cob webby build up?
I have a Anthirium I have had it for a few monthes and it has been doing fantastic until i discovered That i was over watering it. I have now cut down on watering it and have been keeping a very close eye on it and it seems as though over night it has some sort of web like build up in the almost dead bloom. I guess it might be dust but it really doesn’t look like it and for it to build up that fast, I just want to know if this is normal, if i should remove it, or cut the bloom off altogether. Tiffany

Spider Mite Webbing

Spider Mite Webbing

Reply:

I am attaching pictures to help with identification.  If it looks like the first picture (from Arizona Cooperative Extension) which is cottony cushion scale, you will need an insecticide that is safe for houseplants.  Your local garden center should have Fetilome whitefly & mealbug killer for houseplant – or at least something similar.

The second photo (from CSU/Denver County  Extension Master Gardener) is caused by a spider mite. You will need an insecticide that will get rid of spider mites. Again, your local garden center should have this product.

Hopefully your problem looks like one of these.  There are many insects that can cause this problem.  This ususally happens when the plant has been in a stressful situation like over-watering.  Once you apply the proper insecticide and correct the water issue the plant will bounce right back.

Good Luck and keep me posted.

Comments

  1. Tiffany says:

    Thank you so much your advice was extremely helpful and i extremely appreciate it because i love this particular plant.

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