There are fruit flies brazenly fucking in my kitchen right now, on the net over my fruit bowl. I have been so proactive this year in preventing them and we've hardly had any until yesterday afternoon and now they are bloody everywhere. I've put mr muscle pipe unblocker down all the plug holes. cleaned and checked anywhere they could be coming from. I have my vinegar traps out and a handheld hoover but still they come to fornicate over my fruit bowl, bastards!