Ask a Question forum: fungus gnats surprise!

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Name: Brenden Reinhart
Flushing Michigan (Zone 6b)
Jan 6, 2017 10:46 AM CST
What do you think about this? in my grow room, 90% of the fungus gnats are found here on my cold windowsill, why?

They are alive, when I blow on them they all move in a synchronized manner, bizzare

Check this out. They are a select few species that can actually WITHSTAND frosted winters, amazing, do you think that the grow room is constantly warm, is fooling them and they are trying to enter w state of diapause on the windowsill?

Only a select few are on my actual plants.
Thumb of 2017-01-06/bhart90/af36b6

Name: Sue
Ontario, Canada (Zone 4a)
Daylilies Birds Enjoys or suffers cold winters Native Plants and Wildflowers Butterflies Annuals
Region: Canadian Keeps Horses Dog Lover Plant Identifier Garden Sages
Jan 6, 2017 11:58 AM CST
I think it is more likely that they are attracted to the light. Do they stay there at night?
Name: Brenden Reinhart
Flushing Michigan (Zone 6b)
Jan 6, 2017 12:35 PM CST
Yea, I have my grow lights in at night, so we can rule that out, and there on the bottom, not all over trying to reach the sun or anything

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