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Oak Hook-tip
Watsonalla binaria (Hufnagel, 1767)
Drepanidae: Drepaninae
1646 / 65.002
Photo © Paul Butter

Similar Dorset Species
Barred Hook-tip
Watsonalla cultraria
Forewing: 13-18mm
Flight: Two Generations. May-June, July - September
Foodplant:   Pedunculate, Sessile and Turkey Oaks
Red List: Vulnerable (VU)
GB Status: Common
Verification Grade:  Adult: 1

Davey, P., 2009: A species found in England and Wales, the larva feeding on oak (Quercus spp). In Dorset, the moth occurs wherever old oaks grow in parks, hedgerows, fields and woods. The moth tends to be absent from coastal localities due to the lack of deciduous oak trees, but it is common at Durlston where it probably feeds on the dominant tree there, evergreen oak (Quercus ilex), a species that is resistant to salt spray. The peak of the second brood is on average, three times larger than that of the first brood. The following moths suggest an occasional partial third brood: Arne Wood, at MV on 19 September 1977 (B Pickess), Gaunts Common, at MV on 21 September 1989, eleven between 14 September 1992 and 20 September 1992, 1 October 1994, 19 September 1998 (P Davey).

Recorded in 37 (93%) of 40 10k Squares.
First Recorded in 1934.
Last Recorded in 2019.
(Data up to end 2019)

Latest 5 Records (Data up to end 2019)
Date#VC10k Area
21/09/201919SY79 - Puddletown
16/09/201919ST60 - Cerne Abbas
16/09/201929SY99 - Lytchett Matravers
16/09/201919SY99 - Lytchett Matravers
15/09/201919ST60 - Cerne Abbas
Further info: Watsonalla binaria
 
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