Pterophoridae : Pterophorinae
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Similar Suffolk Species
Merrifieldia tridactyla
Western Thyme Plume
Merrifieldia baliodactylus
Dingy White Plume
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Merrifieldia leucodactyla
Thyme Plume

([Denis & Schiffermüller], 1775)1510 / 45.033

Morley’s Final Catalogue: Not listed.

Recent Status: A rare species in Suffolk.

Life Style: A single brooded species flying at night and coming to light during May and June with a partial second generation found during August and September. The larvae hibernate. They feed on Thymus polytrichus. They pupate on or around the base of the foodplant.

Identification: Merrifieldia species have narrow curved forewing lobes. M. leucodactyla has cream or light ochre forewings and does not have the black spot on the costa that M. baliodactylus does. It may have a narrow brown shading along the costa.
The larvae initially feed on the seeds of the foodplant but later on the leaves. As a larger larva it can be found on the upper surface of a leaf. More Info

Recorded in 3 (5%) of 58 10k Squares.
First Recorded in 1896.
Last Recorded in 2002.
Additional Stats

Porrittia galactodactyla  |  Merrifieldia baliodactylus >

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
03/08/2002126TL86 - Bury St Edmunds
1911+26TL66 - Newmarket
July 1896+26TL77 - Mildenhall
Show Details | 1990 to 2020 | 2000 to 2020 |
Express Record Merrifieldia leucodactyla
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Copyright © Jim Wheeler 2021

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: c.21 mm.
Flight: June to August
Foodplant:   Wild thyme
Nat Status: Local
Verification Grade:  Adult: 2
 Immature Adult
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Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ - Suffolk 2021. © James Wheeler - Norfolk Moths 2007 - 2021. Data © NOLA™ - Suffolk 2021
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