Oblique Carpet Geometridae

Orthonama vittata (Borkhausen, 1794)

Description: Wingspan 24-27mm. Adults are generally pale brown with a distinctive oblique stripe and a small dark discal spot on each forewing.

Key Identification Features:

Sets:  male upperside

Flight Period: The beginning of June to early September.

Status: Widely distributed across southern counties, particularly in the fens and cutover bogs around north Armagh. Much scarcer to the north of Lough Neagh, although it has been recorded from Rathlin Island, Antrim.

Ecology: A species normally associated with fens, bogs and other marshy habitats. Adults are attracted to light but appear only in small numbers. The larvae can be found from September until April on bedstraws Galium spp. and other related species. It overwinters as a larva.

Bradley & Fletcher number: 1719 Agassiz number: 70.046

Additional information:

UK Moths account


 Thompson, R. S. & Nelson, B., 2003 (Oct 2). [In] The Butterflies and Moths of Northern Ireland