Aglossa pinguinalis, the large tabby or grease moth, is a moth in the subfamily Pyralinae.

The species was first described by Carl Linnaeus in his 1758 10th edition of Systema Naturae.

The forewings are greyish-ochreous or brownish, densely sprinkled with dark fuscous; a blackish subbasal line; first and second lines obscurely paler, rather broad, waved, cloudily edged with dark fuscous on both sides, second curved outwards in dise; a dark fuscous discal spot.

Hindwings fuscous-grey; a paler postmedian line very obscurely indicated.

The larva is blackish or dark brown; head blackish: in silken galleries amongst chaff and hay refuse [5][6][7][8] Native to the Palearctic.