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15.008 (BF286)

Yellow-triangle Slender   

Caloptilia alchimiella
Adult: 4
Leaf Mine: R
Resident. Local.

Recording method

Adult rests on trunks and fences and sometimes comes to light.  Larva and its feeding signs cannot be distinguished from Caloptilia robustella (not yet recorded in Dumfries & Galloway though present in N England and the Central Belt).

Life cycle

Larvae present July-October, first in a mine between two veins then in 2-3 successive cones, each rolled downwards from the tip of a lobe.  Adults fly May-July, August-September.

Larval foodplants

Oak species.


The first for Dumfries & Galloway was of larvae found at Langholm, Dumfriesshire, on 11th October 1952 by E. C. Pelham-Clinton, who found the first for Kirkcudbrightshire, also larvae, found at Caulkerbush on 12th October 1952, with the Wigtownshire first being found at The Forest during June 1989 by Arthur Ewing.

26 record(s) from 10 hectad(s) in D&G

VC74 VC73 VC72
Last recorded 2006 2022 1979

 UK Moths website - further information on species (with photos)

 East Scotland Butterfly Conservation website - national distribution maps and phenology

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