Blastobasis lacticolella (=Blastobasis decolorella) Large Pale Masoner - West Midlands Micro Moths

Blastobasidae

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Photo © Patrick Clement, Frass and spun berries. A larva feeding on Rowan fruits, Halesowen, August 2026.

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Blastobasis lacticolella

Large Pale Masoner

Rebel, 1940	874 / 41.003
=London Dowd =Blastobasis decolorella

Common resident.

On a variety of vegetable matter with larva feeding from June to August and from October to May. Comes to light.

Recorded in 96 (69%) of 140 10k Squares.
First Recorded in 1900.
Last Recorded in 2024.
(Data up to end 2024)
Additional Stats

Wingspan:	13-22m
Flight:	Two generations, May-August and September - November
Foodplant:	Variety of vegetable matter.
Nat Status:	Common
Verification Grade: Adult: 2

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