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Scutigera coleoptrata (one of several species commonly known as the house centipede), is a typically yellowish-grey centipede with up to 15 pairs of legs. Originating in the Mediterranean region, the species has spread to other parts of the world, where it usually lives in human homes.
Outdoors, house centipedes prefer to live in cool, damp places. Centipede respiratory systems do not provide any mechanism for shutting the spiracles, and that is why they need an environment that protects them from dehydration and excessive cold. Most live outside, primarily under large rocks, piles of wood, and especially in compost piles. Within the home, these centipedes are found in almost any part of the house. Most commonly they are encountered in basements, bathrooms, and lavatories, which tend to be humid, but they can also be found in drier places like offices, bedrooms and dining rooms. The greatest likelihood of encountering them is in spring, when they come out because the weather gets warmer, and in autumn/fall, when the cooling weather forces them to find shelter in human habitats.