Locally common resident. Larvae feed on ferns, especially Asplenium scolopendrium and Polystichium setiferum. Imagines can be found at almost any time of year. Day-flying around food plant and sometimes coming to light. Larvae feed on sporangia after a short mining phase. Differs from P.verhuella in that the larvae hide under an untidy mass of spun sporangia and have brown Head. Imagines have a white, tornal spot.
Recorded in 42 (30%) of 140 10k Squares. First Recorded in 2005. Last Recorded in 2020. (Data up to end 2020) Additional Stats