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Tiny winged bugs on windowsill #400797

Asked May 18, 2017, 12:16 PM EDT

Please help me identify these tiny bugs that are appearing on my windowsill.  It doesn't matter if the window is closed or open; either way they appear.  I do have a few houseplants close to this windowsill but I don't see any bugs on the leaves of these plants.  Thank you for helping me identify these and determine if there is anything I need to do.

Montgomery County Pennsylvania

Expert Response

My guess is they are some variety of black fly. Black flies are a common pest of mammals.
An Ask Extension Expert Replied May 24, 2017, 12:12 PM EDT

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