Scutigera

house centipede

Species Guides

Scutigera coleoptrata(House Centipede)

Scutigera is a of in the Scutigeridae, commonly known as house centipedes. The genus comprises more than 30 , with Scutigera coleoptrata being the most widespread and well-studied. Members of this genus are characterized by exceptionally long legs and , true , and remarkable speed. They are primarily , having spread globally through human commerce from their presumed Mediterranean origin.

Scutigera coleoptrata by (c) Kyle Elshoff, some rights reserved (CC BY), uploaded by Kyle Elshoff. Used under a CC-BY license.

Spinnenläufer, Ehrenbreitstein, 2007 by Shi Annan. Used under a CC BY-SA 4.0 license.

Pronunciation

How to pronounce Scutigera: /ˌskjuːtɪˈdʒɛrə/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Scutigera are distinguished from other by their 15 pairs of extremely long, slender legs that give them a spidery, delicate appearance. The body is flattened and typically 25–35 mm in length, though the leg span appears much larger. They possess large, well-developed —unique among centipedes and once misinterpreted as secondary re-evolved structures. The are exceptionally long and thread-like. The final pair of legs is elongated and often held backward, resembling antennae. Coloration is typically yellowish-brown with three dark longitudinal stripes on the surface.

Images

Habitat

In natural settings, Scutigera inhabit moist, cool microhabitats including soil beneath rocks, logs, and leaf litter. Related species in the occupy cave environments. In anthropogenic , they gravitate toward basements, bathrooms, laundry rooms, and other damp indoor locations. The genus has been recorded from sea level to nearly 11,000 feet elevation in montane regions.

Distribution

distribution due to anthropogenic introduction. Native to the Mediterranean region, now established across Europe, Asia, Africa, North America, Central America, and South America. In North America, widespread in the United States and southern Canada. In Russia, documented in the European part, Siberia, and the southern Urals with recent confirmed records in the Perm Krai (Middle Urals). In India, occurs across the United Provinces with considerable vertical range from the plains of Allahabad to elevations near 11,000 feet in the Himalayas.

Diet

Active of small arthropods. Scutigera coleoptrata has been observed preying on , houseflies, carpet beetles, silverfish, spiders, and other household pests.

Life Cycle

Anamorphic development with leg capability. Juveniles hatch with fewer than 15 leg pairs and add segments through molting until reaching the complement. Research on Scutigera coleoptrata documents explosive regeneration of autotomized legs.

Behavior

Extremely rapid locomotion, capable of climbing vertical surfaces and moving across ceilings at high speed. Often described as darting, then stopping motionless before resuming movement. foragers that use long extensively for tactile sensing in low-light conditions. When disturbed, individuals may autotomize legs to escape , with subsequent regenerative replacement.

Ecological Role

Beneficial in both natural and domestic . In human dwellings, they function as agents of household pests including , flies, and silverfish.

Human Relevance

Frequently encountered in homes worldwide, often provoking fear due to rapid movement and appearance. Despite venomous forcipules, bites to humans are rare and mild. Widely considered beneficial and should not be killed; relocation to outdoor sheltered is recommended.

Similar Taxa

ScolopendraLarge, robust with shorter legs, more potent venom, and medical significance; lack the delicate, spidery appearance and of Scutigera
LithobiusStone centipedes with shorter legs and , ocelli rather than , and slower movement; typically found in similar moist but with more compact body form
GeophilusSoil centipedes with numerous short legs (31–181 pairs), no , and burrowing habit; elongate and worm-like rather than flattened with long appendages