Polydesmus inconstans


This is a brown flat-backed millipede typical of the genus and requires detailed examination before arriving at an id.

Identification difficulty
Recording advice

It is not possible to reliably identify Polydesmus millipedes without examination of male gonopods or female epigynal structures. Immatures cannot be identified.


Found in ground layer vegetation in a variety of habitats.

When to see it

Most frequently recorded from April to June. 

Life History

Both sexes die following reproduction so few adults are present from late summer through to the following spring when a new generation matures.

UK Status

Common and widespread in Britain.

VC55 Status

Status in Leicestershire and Rutland not known.

Leicestershire & Rutland Map


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

UK Map