Phycitodes maritima

Alternative names
Coast Knot-horn
Chalk Knot-horn
Description

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

Identification difficulty
Habitat

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).

Reference
62.057 BF1485

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020

UK Map

Species profile

Common names
Chalk Knot-horn
Species group:
Moths
Kingdom:
Animalia
Order:
Lepidoptera
Family:
Pyralidae
Records on NatureSpot:
6
First record:
13/06/2003 (Skevington, Mark)
Last record:
14/08/2021 (Leonard, Pete)

Total records by month

% of records within its species group

10km squares with records

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