Haplophilus subterraneus, commonly known as the western yellow centipede is a species of centipede in the family Himantariidae that can be found in Central Europe, Ireland, Newfoundland, Scandinavia and the United Kingdom.

[2] It was for some time known as Stigmatogaster subterranea, but the name was reverted back to Haplophilus subterraneus in 2014.

[4] Haplophilus subterraneus is widespread in central and eastern Europe, along with the British isles, and has also been introduced to Newfoundland and New York.

[7][8] Several papers have reported high levels of morphological anomalies in H. subterraneus.

One study found that on average, 30% of individuals may have some kind of anatomical deformity.