One of our readers from South Florida wrote to us about red and brown worms that show up on her porch after it rains. She said that as the porch dries out, the worms will either disappear or they will dry up and die. She is curious as to what they are and how she can prevent this from happening again. She did not send a picture along with the email so it is difficult for us to know exactly what type of worm she has at her house. It is a definite possibility that it could be earthworms that are on her porch after the rain.
Earthworms are red and brown in color and they like to come out of the soil when it rains. They enjoy the humidity after the rain and they can be found in driveways and on patios after a good storm. Earthworms need moisture to survive so they enjoy the damp weather after the rain.
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It is a great thing to have earthworms around the house because they do enrich the soil that they are in. The downside is that they do like to come out when it rains and they come out in heavy numbers. There are very few ways to keep them at bay because most pesticides do not harm earthworms because of the good they do for soil.
If our reader is annoyed by them, they could always learn to live with them or set up a bird feeder nearby to help reduce the numbers of them. But remember, it is good to have earthworms on your side!
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In summary, our reader has had quite a few worms inhabit her porch and patio after it rains. Because we do not have a picture from the reader, it is hard for us to identify these worms. One of the possibilities could be earthworms.