How to Catch Fruit Flies

Fruit flies share 75% of the genes that cause disease in humans, so scientists love studying fruit fly genetics to learn more about scenarios  of  human resistance to disease. But let’s face it, other than in the lab, we really don’t like having these 3mm-long flies in our midst. Females can lay up to 50 eggs per day in your worn-out fruit and in drains and sponges. This time of the year, a kitchen with any overnight wine glasses left unattended will bring about a few hundred fruit flies in no time.

Relief is here, in the form of advice from by big brother. This trick is so simple, and it works. Bryn demonstrated it, and my kitchen has been thanking him ever since.

Make yourself a fruit fly funnel with paper. I just used some scrap paper from an art project my daughter left on the counter.

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Place the funnel in a glass jar with a few tablespoons of wine or vinegar inside. Leftover red wine has worked really well for me. And, that’s it! Just leave the funnel jar on the counter and it will attract the unwanted flies quickly and thoroughly. It’s a bit like Hotel California: The fruit flies can check in any time they want, but they can never leave.

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See the little fly there? Proof! I even poured the wine through the funnel and some of it stained the paper and, frankly, I think that helps to attract more flies. I don’t see any fruit flies flying around my kitchen anymore and this jar is sitting right next to some very ripe fruit.

What are your fruit fly trap ideas?

2 thoughts on “How to Catch Fruit Flies

  1. I’ve had the shallow dish with vinegar and a piece of banana peel, covered with a taut piece of clear plastic that has some skewer holes in it, right in the fruit bowl for weeks. The pierced piece of plastic also acts as a Hotel California, with the added benefit that I can tap the plastic now and then and if there are any fruit flies who are crawling around trying to find an exit, they fall into the liquid. They also hover over my wine glass, however, I’m not willing to share even a drop 😉

    Liked by 1 person

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