Hertfordshire Notes:
Widespread, but local, probably extending its range, but limited by foodplant availability. In spite of extensive searching for mines since the mid 1980s by a keen few, and at least a few trips out to run lights in places where alder grows, there are no records for falconipennella in Hertfordshire prior to 2000; the moth appears to have colonised us from that period onwards. It is possible, of course, that a very small population has persisted undetected for a longer period in the east of the county, but as this area has had a high concentration of lepidopterists for many years this seems unlikely. The records give the impression that this species is actively extending its range and it is expected to spread to cover a greater proportion of the county in the next few years. The moth is usually double-brooded in southern England.

Middlesex Notes:
Very local. The distribution is severely constrained by foodplant availability.

	Retained Specimen / Photograph will be Required.

	Mine: Either the leaf or a good photograph required

Recorded in 18 (44%) of 41 10k Squares. First Recorded in 1997. Last Recorded in 2023. Additional Stats

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