Phycitodes maritima

Alternative names
Chalk Knot-horn

Wingspan 18 to 22 mm. This species is best identified by dissection of the genitalia.

Identification difficulty

Areas where the larval foodplants are present.

When to see it

The moths fly from May to August, possibly in two generations.

Life History

The larvae feed on Yarrow and Ragwort (Senecio jacobaea), chiefly in the flower-heads.

UK Status

Phycitodes maritima occurs locally throughout much of England, though it is commoner in the south and east. He species occurs inland as well as coastally, despite the scientific name. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as local.

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).

62.057 BF1485

be our species champion

Leicestershire & Rutland Map


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

UK Map