
Round-winged Muslin
Common NameRound-winged Muslin
Scientific NameThumatha senex
FamilyErebidae
SubfamilyArctiinae
Wingspan (mm)22
Wing Patternspotted
Primary Colorscream, beige, dark brown
HabitatFens, bogs, damp heathland, wet meadows
Geographic RangeEurope, parts of Asia
Host Plantslichens, mosses, algae, detritus
Flight PeriodJune to August
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are detritivores/lichenivores, feeding on lichens, mosses, and algae, typically found in damp environments. They overwinter as larvae.
Identification TipsKey features include its small size, very rounded forewings, pale creamy-beige coloration with scattered dark spots, and its preference for damp, boggy habitats. The spots are often more concentrated towards the outer margin.
Description
A small, pale creamy-beige moth with distinctly rounded wings, scattered dark brown spots, and a slightly darker shading along the outer wing margin.




