Have you been seeing fruit flies in your kitchen lately? They can be a There are various traps for fruit flies, and one of them is a yeast trap. We are having an infestation of fruit flies in my dorm suite at college. Sometimes when they are squished, red stuff that looks like blood comes out. I squished a wild type Drosophila and there was a red stain on the paper. handle them, ended up with fruit flies in my car, in my house, at my parents et c. There are a number of home remedies for fruit flies that are effective and the good news is that . Is There Any Way Prevent Fruit Flies From Infesting My Home?