Beaded Chestnut Noctuidae

Agrochola lychnidis (Denis & Schiff., 1775)

Description: Wingspan 34-44 mm. Adult colouration can vary between individuals. Forewings are brown with an orange tinge on most individuals. The crosslines are darker and normally distinct. The antemedian and post median lines are paler. Subterminal line is pale and irregular. Hindwings fuscous with a small discal spot.

Similar Species: The Brick A. circellaris, lacks the small oblique dash at the costa near the apex of the forewing.

Key Identification Features:

Sets:  male upperside

Flight Period: End of August to late November.

Status: Scarce and widely distributed in a number of sites scattered across southern counties. It is most common in Down, where there are recent records from Dundrum, Seaforde Estate, Ballykinler and Rostrevor. There are also several records from Armagh including Loughgall and a mature garden near Moy where it was taken several times during the 1970s. Once recorded in Fermanagh at Correl Glen National Nature Reserve in 2000.

Ecology: An autumnal species found in a variety of habitats. Adults are attracted to light in small numbers and will also visit Ivy Hedera helix blossom and overripe berries. The larvae feed from March to June on grasses and possibly other low-growing plants. It overwinters as an egg.

World Distribution: Eurasiatic. Throughout western Europe from Spain to Denmark.

Bradley & Fletcher number: 2267 Agassiz number: 73.186

Additional information:

UK Moths account


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