Stigmella obliquella

Alternative names
Willow Pigmy

Wingspan 4 to 5 mm.

Identification difficulty

Adult Leafmine

ID guidance

Leafmine occurs on various smooth leaved willows.


Where smooth-leaved willows occur.

When to see it

The adult moths emerge in two generations: in May and August.

Life History

The eggs of this species are laid on either side of the leaves of one of the smooth-leaved willows. The yellow larvae emerge in June and September and create a narrow mine, often parallel to the rib of the leaf.

UK Status

The moth is widely distributed, but not particularly common in most of Britain. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as local.

VC55 Status

Increasingly well recorded in Leicestershire and Rutland in recent years, particularly from the leafmines on Willow

4.038 BF70

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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