Occasionally flies in sunshine, high in the oak canopy.
Overwinters as a larva in a cocoon formed on a leaf.
Mature broadleaved woodland, hedges and heathland with mature oaks.
Recorded in 6 (2.2%) of the 270 2km squares of Huntingdonshire.
Last recorded in July 2021
Recorded date range (Adult): 25 June to 23 July