What are these Yellow, semi transparent flies? They just accumulate in the window and then die. They appeared in May. How can I get rid of them? I hve set up vinegar and soap traps, but I would like to know their cause and eliminate it. Thank you!

by Duke7LCNFC

4 comments

  1. You should ask in r/whatsthisbug

    All I can say is they are harmless and you should let them out when you ventilate the room. Stoßlüften, if you understand what I mean.

  2. Could be fungus gnats (Trauermücken) although these look lighter than the ones I know so I might be wrong.

    If it is fungus gnats then they usually come from the soil of a potted plant in your home. You can fight them by using yellow sticky cards (Gelbstecker) or nematodes into the soil

  3. I can’t tell you what they are, but I assume they come from outside.
    Do you leave the window open at night, while having the light turned on? If yes, you should get a mosquito net for that window, so that they can’t come in.
    I guess they accumulate in the window, because they want to get out at day time, as it is brighter outside. So, just try to let them all out, without killing them. You can probably hush them out with a kitchen towel or smth.

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