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Barred Hook-tip
Watsonalla cultraria (Fabricius, 1775)
Drepanidae: Drepaninae
1647 / 65.003
Photo © Colin Duke C 2019,  Cromwell Bottom LNR, VC63

Similar Yorkshire Species
Oak Hook-tip
Watsonalla binaria
Forewing: 12-17mm.
Flight: Two generations. May - June and July - September
Foodplant:   Beech
Red List: Least Concern (LC)
GB Status: Common
Former Status: Local
Verification Grade:  Adult: 2

Yorkshire Status: Rare and very local resident.

Beaumont, 2002: VC61. South Cave, an amazing 74 were recorded 22.5-2.9.1991, 26 between 29.7-21.8.1992 reducing to singles on 8 and 19.8.1995 (DBC). NEW COUNTY RECORD.

VC63. Edlington Wood, 9.8.1991; West Melton, 22.8.1995 (HEB); Anston Stones Wood, 29.5.1995, 1.9.2000; Hooton Cliff, two flying by day 1.5.1999, 27.8.1999; Wombwell Wood, flying by day 13.5.1999 (HEB). NEW VICE-COUNTY RECORD.

Argus 47, 2001-2004: VC64. Bishop Monkton, 29.5.2004 det. JCW (D&DB). NEW VICE-COUNTY RECORD.

Argus 54, 2007: First recorded in the county in 1991. Still very local but slowly moving north. VC62. Kilburn, 24.5.2007 (JD). NEW VICE-COUNTY RECORD.

Argus 58, 2009: Still at a very low density in the county with no records from its old haunts in VC63. We do however now have records from all five VCs. VC65. Hutton Conyers, 26.8.2009 (CHF). NEW VICE-COUNTY RECORD.

2012 (CHF): Since 2002 this species has spread further north with records in VC64 (2004), VC62 (2007) and VC65 (2009) but curiously the spread in range has coincided with a reduction in numbers and there were none reported in 2011. Perhaps few people are trapping in beech woods.

Recorded in 66 (33%) of 200 10k Squares.
First Recorded in 1991.
Last Recorded in 2023.

Latest 5 Records
Date#VC10k Area
02/09/2023162SE88 - Pickering (E)
22/08/2023263SE02 - Halifax
20/08/2023164SE04 - Keighley / Silsden
20/08/2023164SE44 - Wetherby / Tadcaster
19/08/2023464SE26 - Ripley / Summerbridge
Further info: Watsonalla cultraria
UK Moths
Mothdissection UK Yorkshire Moths (Full)
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