Aspilapteryx tringipennella

Alternative names
Ribwort Slender

Wingspan 10-13 mm. A close relative of the genus Caloptilia, this species rests in a similar manner, with the forepart of the body raised on the front legs. The overall appearance is that the moth looks brown above fading to white below and there are rows of small dark spots.

Identification difficulty

Adult Leafmine

ID guidance


When to see it

There are two generations in the year, the adults being on the wing in May and again in August.

Life History

The second generation overwinters as a larva.

UK Status

Widespread but with most records coming from the southern half of Britain. In the Butterfly Conservation’s Microlepidoptera Report 2011 this species was classified as common.

VC55 Status

Uncommon in Leicestershire and Rutland. L&R Moth Group status = D (rare or rarely recorded)

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map