Micrathena schreibersi is a species of orb-weaving spider commonly known as the spiny orb-weaver. It is characterized by its small size, with females measuring around 5-7 mm in length. The spider has a distinct spiky appearance, with spines on its abdomen and legs. It is found in various habitats, including forests and gardens, and constructs intricate orb-shaped webs to catch prey.