Local in mature oak woodland throughout England, also appearing in some rural gardens, a species of conservation concern under the UK Biodiversity Action Plan. Sparsely recorded, and decreasing, away from extensive woods, but still reasonably common in suitable habitat in Hampshire and the northern half of the Isle of Wight. Wingspan 33-36 mm. The only thyatirid with two distinct brown fascia. Larva feeds on Pedunculate Oak and Sessile Oak, over-wintering as an egg.
The abundance in each month is indicated as follows:
No records
Very occasional
Irregular
Uncommon
Off-peak, but not unusual
Off-peak, but not unusual
Main flight time