Tortricidae : Olethreutinae
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Photo © Mike Crewe,  MV trap, Sheringham

Similar Norfolk Species
Dichrorampha petiverella
Common Drill
Dichrorampha alpinana
Broad-blotch Drill
Approx Length (c. 7.5mm) Wingspan (13-15mm)
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Dichrorampha flavidorsana
Narrow-blotch Drill

Knaggs, 18671275 / 49.319
Norfolk status
Waysides, gardens and waste ground where Tansy grows. During warm late afternoons/evenings in June/July the moth can often be found at rest on the foodplant.

Similar to D. alpinana. Best separated by genitalia dissection if not recorded on foodplant.

Flies occasionally in afternoon sunshine but is more active at dusk. Both flavidorsana and alpinana, are also attracted to wormwood (Artemisia absinthium) and may often be seen flying around this plant.

Verification Grade Comment: If recorded away from foodplant - Grade 4

Recorded in 9 (13%) of 69 10k Squares.
First Recorded in 1994.
Last Recorded in 2019.
Additional Stats

Dichrorampha vancouverana  |  Dichrorampha alpinana >

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
23/07/2019128TL79 - Methwold/Foulden
15/07/2019228TL79 - Methwold/Foulden
12/07/2018228TL79 - Methwold/Foulden
25/07/2016+28TF92 - Fakenham/Ryburgh
08/07/2016128TF63 - Snettisham/Dersingham
Show Details | 1990 to 2018 | 2000 to 2018 |
Express Record Dichrorampha flavidorsana
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Copyright © Jim Wheeler 2019

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 13-15mm
Season: June - July. (Aug)
Foodplant:   Tansy
Nat Status: Nationally Scarce B
Verification Grade:  Adult: 2
 Immature Adult
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Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ 2019. © James Wheeler - Norfolk Moths 2007 - 2019. Data © NOLA™ 2019
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