1, 10-20 minutes. If you are using light salt water to soak cherries, light salt water is more stimulating to the worms, generally does not take too long, about 10-20 minutes can prompt the worms to crawl out, if it is directly soaked in water, it may take longer, and even the worms may not surface at all.

2, cherry inside the worm is actually fruit fly larvae, because cherries contain a lot of sugar and other nutrients, easy to attract fruit flies in which the eggs hatch, generally let the cherry worm out of the best, the most convenient way is to soak in salt water, because the salt water is a kind of hypertonic environment, it will cause some stimulation of the cherry worm, so that it is in the outside world in the state of pressure and lack of oxygen to crawl out, floating in the surface of the water.