Grease Moth
Common NameGrease Moth
Scientific NameAglossa pinguinalis
FamilyPyralidae
SubfamilyPyralinae
Wingspan (mm)30
Wing Patterncryptic
Primary Colorsbrown, reddish-brown, black
HabitatHuman dwellings, cellars, stables, warehouses, often in damp and greasy conditions; also bird nests and other detritus-rich environments.
Geographic RangeEurope, Asia, North Africa, and introduced to North America.
Host Plantsorganic detritus, stored food products, grease, dried fruits, grains, hay, animal products
Flight PeriodJune to September
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are detritivores, feeding on a wide range of organic matter including grease, stored food, and refuse. They live in silken tubes within their food source and pupate in a silken cocoon.
Identification TipsLook for its broad, mottled reddish-brown forewings with a somewhat greasy or dusty appearance. It is often found in damp, dark, domestic environments, distinguishing it from many other moths.
Description
A medium-sized moth with broad, somewhat triangular forewings mottled in shades of reddish-brown and dark brown, often with indistinct darker transverse lines and patches. The body is robust and brownish.
