Straw Underwing - Thalpophila matura


Wingspan 38-46 mm. Pale straw yellow underwing with brown border, together with broad dark forewing, white outer cross line and thickset build are diagnostic.

Identification difficulty

It frequents open grassland, moors and downs.

When to see it

The flight period is during July and August and the species comes to both light and sugar.

Life History

The nocturnal larvae feed on various grasses and hide during the day.

UK Status

A relatively widespread and locally common species in England and Wales, though scarce in the south-west. As its range extends northwards it becomes more coastal into Scotland. In a recent survey to determine the status of all macro moths in Britain this species was classified as common.

VC55 Status

Fairly common in Leicestershire and Rutland. L&R Moth Group status = A (common and resident)

73.109 BF2303

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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