49.133 BF968  -  Tortricidae -  Tortricinae - Thyraylia nana - Birch Straw - (Haworth, 1811) Adult Micro:  CAT 2 - Confusion Species -       PDF Icon - click for General Verification Guidelines  |   PDF Icon - click for Specific Verification Guidelines
Green -  Rare / Uncommon / Scarce   
Taxonomy:   Micro  >> . >>  Tortricidae Other Name/s: Cochylis nana
Birch Conch
ID Difficulty:  amber  - care required in the identification process, as confusion with similar species is likely - quality photographs required.
Confusion Species:  Brevicornutia pallidana (Sheep’s-bit Straw)
ID pointers: The forewing apex is whitish heavily mixed with yellow ochre, especially towards the cilia and grey tones through the basal area extending to the costa. A darker greyish central area cross-band
Distribution:  (Last record: 23/03/2025 at Belper )  -  Uncommon few records – Harrison & Sterling – 6 accounts from 1905 – 1981 & 1947-56 from Taxal. DaNES 3 records 2003 & 2 in 2009 from Belper & Ilkeston – iRecord 6 recent records between 2019 – 2024.
Flight Period: May /  June /  -  May-June Moth Activity: Nocturnal   - active from dusk into the night Photographed: Yes -  Photographed By: Dave Evans  © All Rights Reserved
*** Last updated on 23 March 2025 by TD ***
Wingspan: 9-13mm
Food Plant: Silver & Downy Birch
Last Recorded Date: 23/03/2025
Last Recorded Year: 2024
Last Recorded By - Dave Evans
Last Recorded General Area - Belper

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Belper (2021 & 2024) Dave Evans©

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