Scolopocryptops nigridius
McNeill, 1887
Blue Belly Centipede
Scolopocryptops nigridius is a soil-dwelling native to North America, commonly known as the Blue Belly Centipede. It belongs to the Scolopocryptopidae, a group of small to medium-sized centipedes adapted to cryptic . The species has been documented primarily in the United States through observation records. Its refers to a distinctive coloration that aids in field identification.

Pronunciation
How to pronounce Scolopocryptops nigridius: /ˌskoʊləpoʊˈkrɪptɒps nɪˈɡrɪdiəs/
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Identification
Distinguished from by blue or bluish coloration, referenced in its . Possesses 21 pairs of legs as characteristic of the order Scolopendromorpha. Small to medium body size relative to other scolopendromorph . Similar in the Scolopocryptops lack the distinctive blue ventral pigmentation.
Images
Habitat
Soil and leaf litter in forested and semi-forested environments. Cryptic microhabitats including decaying wood, stones, and other ground cover.
Distribution
United States; documented from multiple states across the country. North American .
Ecological Role
Soil mesofauna contributing to decomposition and nutrient cycling in terrestrial .
Human Relevance
Occasionally encountered by naturalists and entomologists during soil sampling. Venomous but not considered medically significant to humans due to small size.
Similar Taxa
- Scolopocryptops sexspinosusOverlapping distribution and ; distinguished by lacking blue coloration and subtle differences in tergite sculpturing.
- Other Scolopocryptops species members share 21 leg pairs and general body plan; S. nigridius specifically identified by blue belly coloration.