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    pattywest13's Avatar
    pattywest13 Posts: 1, Reputation: 1
    New Member
     
    #1

    Apr 25, 2015, 07:28 PM
    Black sewer flies problem
    How can I get rid of black septic tank flies?
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
     
    #2

    Apr 25, 2015, 09:12 PM
    Where are the flies appearing ? Do you know where are they coming from ? First, you have to find the source of the problem, otherwise they will be coming back.

    The flies may be a sign that the septic is not closed and sealed properly, is overflowing, or your ground is saturated with sewer. Check your sewer to see if it needs to be pumped out. Once the sewer is sealed, or pumped out, sewer flies will disappear.

    As far as getting rid of them: it is going to be hard to chase flies with insect spray. You can hang fly-paper in the immediate area of infestation. However, unless you prevent sewer from being in the open, flies will be coming back.

    Hope that helps

    Milo
    Catsmine's Avatar
    Catsmine Posts: 3,827, Reputation: 739
    Pest Control Expert
     
    #3

    Apr 26, 2015, 03:47 AM
    If the septic has overflowed into the lawn, they may not be sewer flies. Many species love the wet, organics rich soil. Nonetheless, fixing the septic has to be the first step, if only to deny them an attraction.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
     
    #4

    Apr 26, 2015, 07:49 AM
    I have been infected twice.The only way I know to eliminate them is to starve them out. Cover ALL drains, install fly strips, and use bug spray where you see a swarm.
    Drain flies have a life span of approximately one week. The secret is to starve them out before they can multiply. So cover EVERY drain even tub drains so they can not feed.
    Good luck Tom

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