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Dichrorampha aeratana
Obscure Drill (Pierce & Metcalfe, 1915)
Tortricidae: Olethreutinae
1287 / 49.311
Photo © Brian Jones

Similar Suffolk Species
Lead-coloured Drill
Dichrorampha plumbana
Dingy Drill
Dichrorampha sedatana
Wingspan: 12-16mm
Flight: May - July.
Foodplant:   Oxeye Daisy
Nat Status: Local
Verification Grade:  Adult: 4

Morley’s Final Catalogue: Not listed.

Recent Status: A rare species in Suffolk.

Life Style: A single brooded species that flies during May and June and comes to light. The larvae feed on the roots of Leucanthemum and hibernates. They pupate in a cocoon in the ground.

Identification: This brown species has prominent glossy ochre tips to the scales from the wing base that give it a more peppered appearance than most other Dichrorampha species. The male does not have a costal fold. The banded cilia are silver and grey. The pale costal strigulae are well represented from one third, or less, subtending oblique plumbeous striae. The termen has prominent black spots. Genitalia dissection is required to confirm identification for a record. More Info

Determination by Genitalia Examination (gen. det.) Required

Recorded in 5 (9%) of 58 10k Squares.
First Recorded in 2004.
Last Recorded in 2020.

Latest 5 Records
Date#VC10k Area
26/05/2020125TM25 - Wickham Market/Otley
16/05/2014125TG50 - Gorleston
27/06/2013125TG50 - Gorleston
24/06/2013126TM04 - Hadleigh
31/05/2012125TM34 - Hollesley/Rendlesham Forest
Further info: Dichrorampha aeratana
 
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