Isophrictis striatella

Alternative names
Tansy Stem Borer
White-border Neb
Description

Wingspan about 12 mm. Sometimes known as the White-border Neb. The patterning at the end of the wing and the dark dot are useful factors in determining the identification.

Identification difficulty
Habitat

Areas where the larval foodplants are found.

When to see it

The moths fly in July and August, when they are attracted to light.

Life History

The larvae feed inside the seedheads of Tansy or Sneezewort and pupate inside the stem.

UK Status

A local species distributed in parts of south-east England, with isolated pockets occurring further north and west. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as Nationally Scarce B.

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
35.053 BF729

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
White-border Neb
Species group:
insect - moth
Kingdom:
Animalia
Order:
Lepidoptera
Family:
Gelechiidae
Records on NatureSpot:
6
First record:
28/07/2002 (Skevington, Mark)
Last record:
03/08/2024 (Poole, Adam)

Total records by month

% of records within its species group

10km squares with records

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