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Augasma aeratella
Knotgrass Case-bearer (Zeller, 1839)
Coleophoridae
486 / 37.001

Similar Norfolk Species: None
Wingspan: 9-11mm
Flight: June - July
Foodplant:   Knotgrass.
Nat Status: Extinct
Verification Grade:  Adult: 4  Case: n/a
Norfolk Status
Presumed Extinct.
Diurnal species seen flying around foodplant in sunshine.
Old records imply Breckland, downland, woodland margins and cornfields on chalk.
Last British record was from Dorset in 1956.

[MBGBI vol3]

Verification Grade Comment: Considered Extinct

Determination by Genitalia Examination (gen. det.) Required

Recorded in 2 (3%) of 69 10k Squares.
First Recorded in 1874.
Last Recorded in 1914.

Latest 5 Records
Date#VC10k Area
1914+28TF80 - Swaffham
1874+28TF80 - Swaffham
1874+27TM28 - Harleston
Further info: Augasma aeratella
 
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