Hada plebeja, the shears, is a moth of the family Noctuidae.

Forewing lilac-grey, suffused with olive fuscous, deepest in median area; claviform stigma small, black-edged, followed by a broad bidentate pale patch at base of vein 2; orbicular and reniform pale grey with white edges; marginal area dark; submarginal line preceded by black dentate markings: veins more or less grey-scaled; hindwing fuscous, paler basewards; the fringe pale; - leucostigma Haw.

is a form of this in which the whitish orbicular and the pale blotch on vein 2 are confluent and form one long streak; ochrea Tutt is a form, common in Britain, in which the forewing is varied with yellow scales: - latenai, Pierr.

[4] Larva dark brown; dorsal and lateral lines pale; subdorsal lines formed of dark lunular blotches: spiracles black; head glossy black.

The larvae feed on smooth hawksbeard, Hieracium pilosella, Taraxacum and alfalfa.