The Moths of Suffolk
1943 Great Oak Beauty, Hypomecis roboraria, (Denis & Schiffermüller, 1775)

National Status : Notable Nb

Local Status : Locally extinct (SMP Status 4)

Habitats : Oak woodland

Flight Period : Single-brooded; mid-June to mid-July

Larval foodplants : oaks

Records : No recent confirmed records

Morley's Final Catalogue : "Very rare. Bred and taken at sugar at Ipswich by Mr. C. Long. Ipswich and Bentley (Mr. G. Garrett of Ipswich)." Both this and the two next species were thought in all probability now extinct, for nothing had been heard of them since Bloomfield's records, which all relate to the decade 1855-65 excepting Mr. Miller's record, infra.

Wingspan details : Forewing 21-32mm, Wingspan 60-68mm

Identification

Confusion species
    AdultPale Oak Beauty, Hypomecis punctinalis

Compare confusion species
    Adult

Click to view full size image
Surrey (vi.2004) © M Deans

Flight chart
JFMAMJJASOND
100 100 100

Life history chart
JFMAMJJASOND
larval diapause larval diapause larval diapause larva larvapupa pupaimago ovaimago larva larva larva larval diapause larval diapause

Further Photographs

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Surrey (19.vi.2004) © L Gregory
Las Descargues, France (vi.2005) © Neil Sherman