Ectoedemia decentella

Alt Name
Sycamore-seed Pigmy

Wingspan 5 to 8 mm. This well-marked moth is one of the few of this group easily recognisable by forewing markings alone.


They may often be found resting on sycamore trunks, and are also attracted to light.

When to see it

The adults emerge in two generations, in June and August.

Life History

The larvae form slender mines within Sycamore seeds.

UK Status

Thinly distributed throughout much of England. In the Butterfly Conservation’s Microlepidoptera Report 2011 this species was classified as Nationally Scarce B.

VC55 Status

It appears to be uncommon in Leicestershire and Rutland, where there are few records. L&R Moth Group status = D (rare or rarely recorded).

4.076 BF20

Leicestershire & Rutland Map

UK Map