Flight period: erratically occurs in the UK, appearing at any time of year. The species’ appearance is often associated with the arrival of winds from the Sahara.
Formerly Hemianax ephippiger. This medium-sized hawker has an overall pale brown appearance and brown eyes. The costa is yellow and the pterostigma is long and brown.
The top of S2 is blue in the male whereas it is brownish-violet in the female and immatures.