Stigmella basiguttella

Alt Name
Base-spotted Pigmy

The larvae of Stigmella basiguttella produce leaf mines on Oak. This is a long sinuous gallery, widening gradually and filled with green frass. The adult moth has a dark head, bronzy brown forewing with green tint and pale yellowish spot at base. Wingspan 4.5 to 6 mm. Adult moths are best confirmed microscopically.


Wherever Oak, the larval foodplant is present.

When to see it

Adult: In two generations May-Jun. Jul-Aug. Leaf mine: June to Oct.

Life History

The larval foodplant is Oak.

UK Status

Widespread and fairly frequent, particularly in south eastern England. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as common.

VC55 Status

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

4.058 BF89

Leicestershire & Rutland Map

UK Map