What's That Bug? does not endorse extermination

black flying heart-shaped bugs everywhere!
Sat, May 2, 2009 at 5:13 AM
I live in Northwest Ohio. I have had a black heart-shaped bug flying around my house for about 2 or 3 months. I can’t figure out where they are coming from. They seem to like water. They hang around in our bathrooms a lot. I have pictures of them on a recently wet towel. When you kill them, they leave a black residue almost like black dust on your wall. I have not had them bite but they will fly close to people. They also like lamps and light bulbs when it gets dark out. They are about half the size of a common house fly. Please help, I need to get rid of them!!!
Northwest Ohio

Bathroom Fly

Bathroom Fly

Hi Maranda,
You have Bathroom Flies. The larvae of the Bathroom Fly live in the sludge of your sink and tub drains. If you want to get rid of them, you need to have the pipes cleaned.

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19 Responses to Bathroom Fly

  1. Gydney says:

    I have lived in two houses in Southern California that had Jacuzzi bathtubs. Both are plagued by these flys. They lay eggs in the jets of the tubs, and everytime you take a bath there are tiny black larval worms, 1/4″ long, hair thickness, wiggling around in the water. Plumber said to fill up tub, add cup or two of bleach and run it for 1/2 hour EVERY WEEK. Current tub is huge like a hot tub, and we have a drought going on, so instead, I just jammed sample size shampoo bottles in jets. Now I only get maybe 3 to 6 per bath. Creepy!! Wrote Jacuzzi about it, surprise, never heard back from them, but I see that newer baths just use air jets, not water jets. Maybe they’re better. Hate these flies!

  2. athenator says:

    After an sewage pipe burst under our apartment, we had quite a swarm of the bathroom flies (or drain flies) we found a chemical online for ours, we could definitely see a difference after a few days of treatment, that combined with raid to get rid of the live ones. although we were sweeping up dead drain flies for awhile.

  3. lovey7 says:

    I call them jail bugs because the first time I saw them was when I spent time in jail when I was younger. And everywhere I have gone since then i see them one or two.. I say its God reminding me to never go back..

  4. ihatebugs says:

    I have these gross bathroom flies, but never had them until my husband put in a new shower.
    please help I am at my wits end

  5. Joyce says:

    How do you get rid of bathroom flies?

  6. Joyce says:

    What do you use to get rid of the sludge

  7. Shirley thomason says:

    i have had these bugs for about 3 weeks now !!! have tryed pouring bleach down drain, this helped for awhile. hate drain bugs!!!!!!!! i wont to know if they bite you?

    • bugman says:

      Drain Flies do not bite. They might carry the remnants of Drain Bacteria on their bodies when they emerge from the pipes.

  8. hannah scott says:

    What is the best way to clean our bathroom drains ? We are overun with bathroom bugs. We have live at our home for almost ten years and we are just having trouble with these bathroom bugs. Please help

  9. roseann says:

    I think they are very cute and are harmless . They don’t bite at all they are God’s creation.

  10. Jacqueline says:

    These bugs that look like a fly pop up around bathtub faucet and where they were fixing pipes top of the bathroom ceiling, they are everywhere! What do I do? What can I get to get rid of them?

  11. Melissa says:

    actually, drain flies so most definitely bite!!! I know this to be a fact because I have been bit by them.

  12. ude says:

    I didn’t think so but yes, they do bite, I can tell you. They’re in my basement bathroom and one got upstairs in my bedroom and I saw it flying around me. My arm had a couple of bites in the morning. They’re hard to kill, too. It’s like they know you’re going to swat them.

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