Leptoiulus belgicus


This is a large, typically dark, millipede with a pointed projecting tail (telson). It is usually readily identified by the characteristic thin yellowish line running along the centre of the body.  However, this is not always apparent and to avoid confusion with other similar species identification is best undertaken by examination of a male specimen.

Similar Species

Leptoiulus kervillei, Ophyiulus pilosus and Julus scandinavius.

Identification difficulty
Recording advice

Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.


Often coastal but also found inland where they may be encountered sheltering under stones, leaf litter and other debris.

When to see it

Adults become most noticeable from early autumn until well into the winter.

Life History

Breeding is thought to occur in spring.

UK Status

In Britain this species is most frequent in south west England and south Wales but there are isolated records from elsewhere in England.

VC55 Status

Rare or under recorded in Leicestershire and Rutland.

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map