Knowledgebase

Tiny flies #865305

Asked April 21, 2024, 1:31 PM EDT

What are these tiny flies on the outside of the window screens?

Charles County Maryland

Expert Response

They look like drain flies, probably coming from a gutter or source of standing water. The page has guidance on how to eliminate by removing their source.

Let us know if you have further questions. 

Emily

Thanks so much!  I need to have my gutters cleaned!

On Apr 22, 2024 11:00 AM, Ask Extension <<personal data hidden>> wrote:
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Dear sandymcgraw, here's the response to your question:

They look like drain flies, probably coming from a gutter or source of standing water. The page has guidance on how to eliminate by removing their source.

Let us know if you have further questions. 

Emily


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Answered by the Home and Garden Information Center (HGIC), University of Maryland Extension. For timely gardening information and tips, subscribe to our Maryland Grows blog and quarterly newsletter. Follow us on Facebook, Instagram, and YouTube.


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The Question Asker Replied April 22, 2024, 1:39 PM EDT

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