Maple Slender

Widespread and common, but
restricted by the distribution of its foodplant field maple <i>Acer campestre</i>, and absent from the
Levels and parts of Exmoor as a result.&nbsp;
Usually recorded as a leaf-mine.

White-triangle Slender

Widespread and common, usually
recorded as a leaf miner on <i>Salix</i>
spp., both sallows and willows.

Scarce Alder Slender

A recent arrival, with the first
records in 2013.&nbsp; Still scarce across the
county.&nbsp; Comes to light and can also be
recorded from the leaf-mine on alder.

Caloptilia falconipennella

Scarce Alder Slender