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Figure of Eight
Diloba caeruleocephala (Linnaeus, 1758)
Noctuidae: Dilobinae
2020 / 73.033
Photo © Ken Palmer,  after ecdysis (digitised by G. Follows)

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Figure of Eighty
Tethea ocularis
Poplar Lutestring
Tethea or
Forewing: 15-19mm.
Flight: One generation Sept-Nov.
Foodplant:   Blackthorn, Hawthorns, Plum, Cherry, Crab Apple.
Red List: Endangered (EN)
GB Status: Common
Verification Grade:  Adult: 3
Very scarce in recent years.
Characteristic '8' marking on the forewing.
Male has feathered antennae.
Hedgerows, woodland, gardens.

After a gap of ten years, two specimens recorded in gardens on the same night in 2012! Thwaite St. Mary (Z. Madgett, 23/10/12) and Snettisham (R. Roche, 23/10/12). Not recorded again until 2020.

Verification Grade Comment: Declining species

Retained Specimen / Photograph will be Required.

Recorded in 42 (57%) of 74 10k Squares.
First Recorded in 1834.
Last Recorded in 2023.
Additional Stats

Latest 10 Records
17/10/2020128TF71West Bilney
23/10/2012127TM39Thwaite St Mary
23/10/2012128TF63Snettisham Beach
September 2002+27TG22Swanton Abbott
24/10/1999 to 30/10/1999+27TG32Honing
Further info: Diloba caeruleocephala
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