Morley’s Final Catalogue: Confined to south-east England in Britain; on alder. Leiston (Grey); Brandon f j . W. Dunning) and probably from the same place in ' Suffolk' (South). Unnoted since 1890 till a larva occurred among alder-fruit at Bromeswell in 1935 (Whit).
Recent Status: Well distributed across Suffolk but not common.
Life Style: A single brooded summer flying species that comes to light. The larvae feed inside Alnus fruits. They pupate in a cocoon on the ground where they overwinter.
Identification: A moth that is instantly recognisable, except for a second similar species having turned up in Britain in 2010. Pachyrhabda steropodes is paler marked than S. pedella but should be borne in mind as it advances in Britain. More Info
Recorded in 25 (43%) of 58 10k Squares.
First Recorded in 1935.
Last Recorded in 2021.