The Rivulet - Perizoma affinitata


Wingspan 24 to 30 mm. Similar to the Small Rivulet (Perizoma alchemillata) but noticeably larger.

Identification difficulty

Occupying woodland margins, hedgerows and grassy embankments.

When to see it

The main flight period is between May and July, when it is often attracted to light.

Life History

Red Campion (Silene dioica) is the preferred foodplant, the caterpillars living inside the seed capsules, eating the seeds.

UK Status

A widely distributed species in Britain, but local in northern Scotland and Ireland. In a recent survey to determine the status of all macro moths in Britain this species was classified as common.

VC55 Status

Fairly common in Leicestershire and Rutland. L&R Moth Group status = A (common and resident).

70.132 BF1802

Leicestershire & Rutland Map


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

UK Map