Description: Wingspan 22-26 mm. Forewings olive brown with a cream-coloured streak suffused with grey running from the basal area to the apex of the wing. There is also a spur-like projection edged in white running obliquely from the streak and pointing downwards towards the apex. Subterminal fascia suffused with cream. Hindwings fuscous with fine veining and usually with a tiny discal spot. Late May to the end of June.

Irish Distribution: Widely distributed and found in all counties but only in scattered sites outside Armagh and Down where its strongholds are.

Ecology: A small attractive species found mainly on bogs and heaths. Adults are easily disturbed from grassy tussocks and low vegetation during the day. They also are attracted to light and flowers in small numbers from dusk onwards. The larvae feed during July and August on various sedges Carex spp. and other coarse grasses. It overwinters as a pupa.

Key Identification Features:

• Small Size
• Cream-coloured streak and spur-like projection
• Fuscous hindwings

Distribution Map from NBN: Deltote uncula at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Deltote uncula at iNaturalist World Species Observations database.