They not dangerous to you. Mostly they eat decaying plant matter which is a good thing but some species may eat you seedlings so they might be a problem in garden with young germinating plants.
Name: Daisy I Reno, Nv (Zone 6b) Not all who wander are lost
The title of this post is 'My Houseplants'. I think the wormy things are inside the house.
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost
President: Orchid Society of Northern Nevada
Webmaster: osnnv.org
I understand that this is a houseplant problem, not a vegetable problem. I simply pointed out that we who grow vegetables deal with worms all the time. The birds love it when I go worm-picking. Still, only pictures will tell the tale.
drdawg (Dr. Kenneth Ramsey)
The reason it's so hard to lose weight when you get up in age is because your body and your fat have become good friends.
tck121960. We'll need some pictures so that an id can be made. 
Still, only pictures will tell the tale.
