Autumnal Rustic - Butterflies and Moths of Northern Ireland

Eugnorisma glareosa (Esper, 1788)

Description: Wingspan 32-38 mm. Forewings usually pale grey but this varies. They are narrower than in similar species with a straight costa with conspicuous black markings between the stigmata. Hindwings are white with darker veining.

Key Identification Features:

Straight costa and the narrow forewings
Black marks on forewings
White hindwings

Sets:

Flight Period: August to mid-September.

Status: Generally common and widely distributed throughout all counties including Rathlin Island.

Ecology: Recorded from woodlands, bogs and heaths. Adults appear sparingly at light, but visit flowers especially Heather Calluna vulgaris and Ragwort Senecio jacobaea. The larvae, overwinter and feed on various grasses from October to May.

World Distribution: Throughout Europe as far north as the Netherlands, south to Spain and Portugal.

Bradley & Fletcher number: 2117 Agassiz number: 73.365

Additional information:

UK Moths account

Caterpillar:

Thompson, R. S. & Nelson, B., 2003 (Oct 2). [In] The Butterflies and Moths of Northern Ireland
http://www.ulstermuseum.org.uk/lepidoptera/species.asp?item=6204

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