Stigmella basiguttella

Alternative names
Base-spotted Pigmy
Description

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.

Identification difficulty

Adult Leafmine

Habitat

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).

Reference
4.058 BF89

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Leicestershire & Rutland Map

MAP KEY:

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

UK Map