Author Topic: Small Sap Droplets (Honeydew?) - Not just on leaves!  (Read 997 times)

edro

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Small Sap Droplets (Honeydew?) - Not just on leaves!
« on: October 03, 2012, 10:32 PM »
I moved my tropicals indoors a few weeks ago.
I put up some new mylar to help increase light efficiency.

I have noticed that "honeydew" has started to show up on the mylar.
It is dry, but tacky to the touch.
It will smear if I push on it, but will not evaporate.

I know that scale insects will produce honeydew, but that is usually on the leaves.

What is this and why is it showing up on the mylar?!?!
Gnat waste? Other insect waste? Fungus?

I have an oscillating fan on the trees and very powerful fluorescent lights. (3 fixtures of 6x54W T5HO lamps)
Humidity is around 60% and temperature is around 70F.
 

0soyoung

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Re: Small Sap Droplets (Honeydew?) - Not just on leaves!
« Reply #1 on: October 03, 2012, 11:43 PM »
We had scale on a ficus kept inside. Same honeydew was on my window, the tile sill, and on some leaves. We also found scale on the leaves of a cyclamen that sat beside the ficus in the window. We just followed the dew - what's on the branch/twigs above a leaf with dew on it?
 

edro

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Re: Small Sap Droplets (Honeydew?) - Not just on leaves!
« Reply #2 on: October 05, 2012, 09:23 PM »
After talking with members of my club, they all seem to suggest scale.
It must be juvenile scale, as larger sized scale only get that size from staying put on a branch.

I think it's odd that juvenile scale can produce so much "sap".

I treated all of my trees with a systemic, so we'll see how that goes.