The Moths of Suffolk
1646 Oak Hook-tip, Watsonalla binaria, (Hufnagel, 1767)

National Status : Common

Local Status : Resident (SMP Status 1)

Distribution and abundance : Widespread throughout the county

Habitats : Scrub oak on heathland, woodland, fens, grassland

Flight Period : Double-brooded; May-June and late July to mid-September

Larval foodplants : Oak, occasionally Silver Birch

Morley's Final Catalogue : Somewhat rare in 1890 and decreasing in numbers in ratio to the felling of our oak-woods; but still scattered over the whole county, not excepting the Breck where Goddard took it at Mildenhall in 1935. Brantham (Buckell); Bentley, Belstead in May (Baylis, Hkg); rare at electric lights and flying by day in Ipswich (Mly, Baylis); Aldeburgh (Hele); Leiston (B. de Grey); Lowestoft in August (Ent. 1922, 258); Worlingham and Flixton (Crf); Fritton Lake at light in 1934-6 (Trans. ii, p. clxxxiii). Needham (L); at Ringshall and Battisford by Baker with one at Playford in 1857 (Gr, Nat. viii, 81); Honington. Westleton Heath.

Wingspan details : Forewing 13-18mm, Wingspan 28-35mm

Identification

Confusion species
    AdultBarred Hook-tip, Watsonalla cultraria

Compare confusion species
    Adult

Click to view full size image
Ipswich, Suffolk (vi.2003) © N Sherman

Flight chart
JFMAMJJASOND
39 27 80 100 49

Life history chart
JFMAMJJASOND
pupa pupa pupa pupa ovapupaimago ovalarvaimago larvapupaimago ovalarvaimago larvapupa pupa pupa pupa

Further Photographs

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Female - Ipswich, Suffolk (31.v.2013) © Neil Sherman
Female - Ipswich, Suffolk (4.viii.2017) © Paul Kitchener