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Ocnerostoma friesei
Plain Needle-miner (Svensson, 1966)
Yponomeutidae: Yponomeutinae
445 / 16.024
Photo © Dave Appleton,  30/03/2017 - North Elmham - male (gen det)

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Similar Species
Ringed Needle-miner
Ocnerostoma piniariella
Wingspan: 8-10mm
Flight: Two or Three Generations
March - May, Aug, Nov
Foodplant:   Scots Pine
Nat Status: Local
Verification Grade:  Adult: 4
Status
Local.
Double or triple-brooded.
Males have pale grey forewings, females are white.

Can be confused with the similar pine feeding species Ocnerostoma piniariella. O. friesei initially has an earlier flight time. Differences in antennae can also aid identification, Ocnerostoma friesei: grey. O. piniariella: ringed white and pale grey (male) and white (female)

The larvae, not distinguishable from O. piniariella, mine the needles of the foodplant from December to March, June to July and sometimes September.

First Norfolk record at Dersingham in 2011 (R.Jones, 14/04/11)

[MBGBI vol3, p65]

Determination by Genitalia Examination Required

Recorded in 12 (16%) of 74 10k Squares.
First Recorded in 2011.
Last Recorded in 2024.

Latest 10 Records
Date#VC10kArea
01/06/2024227TG11Horsford
10/05/2024128TL79Cranwich
30/04/2024128TF63Snettisham
10/09/2023128TL78Weeting Heath (Gravelpit Wood)
05/09/2023128TL78Weeting Heath
21/08/2023228TL78Weeting Heath (Gravelpit Wood)
19/08/2023328TL78Weeting Heath (Gravelpit Wood)
16/08/2023128TL78Weeting Heath (Gravelpit Wood)
15/08/2023128TL78Weeting Heath (Gravelpit Wood)
11/08/2023128TL78Weeting Heath (Gravelpit Wood)
Further info: Ocnerostoma friesei
 
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