Spider exoskeleton (molt)

Standard residential and outdoor environments; found on walls, ceilings, and inside crevices where spiders may hide to safely shed their skin.

Not applicable to the molt itself; however, the living spider is carnivorous, eating insects and other small arthropods.

Spiders undergo ecdysis (molting) to grow. They typically seek a secluded, safe spot and hang upside down. The exoskeleton splits at the cephalothorax, and the spider pulls itself out, leaving behind this hollow casing.

No risk; it is a harmless piece of discarded biological material. In the ecosystem, spiders are beneficial as they control pest populations like flies and mosquitoes.