Web spinners are scavengers of plant material. So they do not really attack others, their foods comprises moss, bark and dead leaves.
WARNING: there is two different types of looking embiopteras'. The one on the left is a male and the one on the right is a female.
The web spinner usually comes out during raining seasons and the way they transport is running, they are really fast runners and can run backwards as well. And for the males the usually fly since they have wings.