Scarce Silver Υ Moth
Common NameScarce Silver Υ Moth
Scientific NameAutographa interrogationis
FamilyNoctuidae
SubfamilyPlusiinae
Wingspan (mm)40
Wing Patterncryptic
Primary Colorsgrey, brown, white
HabitatMoorland, heathland, woodland edges, gardens, often in damp areas
Geographic RangeEurope, parts of Asia, North America
Host Plantsheather, bilberry, nettle, dandelion, plantain
Flight PeriodJune to September
Flight Styledarting
Conservation Statusleast-concern
Lifecycle NotesEggs are laid on host plants, and the larvae are green with pale lines. Pupation occurs in a cocoon, often on the host plant or in leaf litter, and the species typically overwinters as a larva.
Identification TipsThe most distinctive feature is the silver-white 'Y' or gamma mark on the forewing, which can sometimes appear broken. Its overall cryptic grey-brown coloration helps it blend into its surroundings.
Description
A medium-sized moth with mottled grey-brown forewings, characterized by a prominent, often broken, silver-white 'Y' or gamma mark in the central area. The hindwings are dull brownish-grey.
