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Silky Wave
Idaea dilutaria (Hübner, 1799)
Geometridae: Sterrhinae
1704 / 70.005
Photo © Peter Buchner - Lepiforum

Similar Norfolk Species: None
Forewing: 8-10mm.
Flight: June - July.
Foodplant:   Common Rock-rose, other plants.
Red List: NT (Near Threatened)
Nat Status: Rare
Ex Status: Red Data Book
Verification Grade:  Adult: 3
Norfolk Status
A very local species, occurring in only one or two places in Wales, and occasionally in England.

Unconfirmed record from the 1970's.

Barrett [VCH 1901] Acidalia holosericata, Dup.
"A single specimen of this very local species was taken some years ago by the Rev. H. Williams near Thetford; the presence here of this one specimen seems inexplicable, except on the supposition that others are sometimes mistaken for the preceding species"

BAP Priority Species

Verification Grade Comment: No modern-day records.

Retained Specimen / Photograph will be Required.

Recorded in 1 (1%) of 74 10k Squares.
First Recorded in 1873.
Last Recorded in 1873.

Latest 5 Records
Date#VC10k Area
1873+28TL88 - Thetford
Further info: Idaea dilutaria
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