Description: Wingspan 40-48mm. Adults are generally smoky-grey colour although this can vary between individuals. The forewings have a mottled appearance with small darkish patches along the costa. Early June to the beginning of September.

World Distribution: Throughout Europe, Syria and Iran.

Irish Distribution: Widespread and frequently encountered in Down and Armagh, sporadic elsewhere, with scattered sites in Fermanagh Londonderry and north Antrim. It probably occurs more widely in the west than records suggest.

Ecology: Found on a wide variety of habitats including suburban gardens. Adults come frequently to light in moderate numbers. The larvae can be found from early autumn to late spring of the following year on a variety of trees including Hawthorn Crataegus monogyna, birch Betula spp., Ivy Hedera helix, plum Prunus and Garden Privet Ligustrum ovalifolium. It overwinters as a larva.

Key Identification Features:

• Colour variable
• Crosslines and dark patches on forewings
• Hindwings similar but crosslines more apparent

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

iNaturalist: Peribatodes rhomboidaria at iNaturalist World Species Observations database.