Blue-bordered Carpet - Plemyria rubiginata


Wingspan 22-28 mm. Markings are fairly consistent in southern specimens, with the 'blue border' along the trailing edge of the wings giving rise to the name. There is a northern UK sub-species, plumbata, that does not have the distinctive white markings.

Identification difficulty

It inhabits woodland, damp areas and gardens and feeds on a range of trees and bushes, including Alder and Blackthorn.

When to see it

June to August.

Life History

One generation per year. It overwinters as an egg and the larvae begin to hatch from April.

UK Status

Fairly widespread and moderately common throughout much of Britain. In a recent survey to determine the status of all macro moths in Britain this species was classified as common.

VC55 Status

Fairly frequent but not common in Leicestershire & Rutland. L&R Moth Group status = B (scarce resident or restricted distribution or regular migrant)

70.084 BF1766

Leicestershire & Rutland Map


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

UK Map

Species profile

Common names
Blue-bordered Carpet
Species group:
Records on NatureSpot:
First record:
01/01/1998 (Adrian Russell)
Last record:
21/06/2023 (Hague, John)

Total records by month

% of records within its species group

10km squares with records

The latest images and records displayed below include those awaiting verification checks so we cannot guarantee that every identification is correct. Once accepted, the record displays a green tick.

In the Latest Records section, click on the header to sort A-Z, and again to sort Z-A. Use the header boxes to filter the list.

Latest images

Latest records