Geometridae : Sterrhinae
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Similar Norfolk Species: None
Silky Wave
Idaea dilutaria

(Hübner, 1799) 1704 / 70.005
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.
Additional Stats

< Least Carpet  |  Dwarf Cream Wave >

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
1873+28TL88 - Thetford
Show Details | 1990 to 2020 | 2000 to 2020 | Graph Key
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Copyright © Jim Wheeler 2021

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Forewing: 8-10mm.
Flight: June - July.
Foodplant:   Common Rock-rose, other plants
Nat Status: Red Data Book
Verification Grade:  Adult: 3
 Immature Adult

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Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ 2021. © James Wheeler - Norfolk Moths 2007 - 2021. Data © NOLA™ 2021
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