Narycia duplicella

Alternative names
White-speckled Bagworm
White-speckled Smoke
White-speckled Bagworm
Narycia monilifera

Wingspan 7 to12 mm. This small moth has dark brownish-black wings speckled with cream. The cream marks seem to produce two pale diamonds along the back where the wings meet. The female moth is slightly smaller than the male.

Identification difficulty

Both can be found resting on tree trunks during the flight period.

When to see it

Flying in June and July.

Life History

The larva lives in a case, and attaches itself to a tree-trunk, fence or other lichen-covered surface.

UK Status

A fairly common species throughout England and Wales, extending into southern Scotland. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as common.

VC55 Status

It appears to be uncommon in Leicestershire and Rutland, where there are few records. L&R Moth Group status = D (rare or rarely recorded).

11.002 BF175

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
Whitespeckled Smoke, White-speckled Smoke
Species group:
Records on NatureSpot:
First record:
23/06/2010 (Gould, David)
Last record:
26/02/2019 (Skevington, Mark)

Total records by month

% of records within its species group

10km squares with records

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