Lacanobia blenna, the stranger, is a moth of the family Noctuidae.

Forewing greyish ochreous, the median area tinged with brownish or fuscous; claviform stigma indistinct, black-edged, followed by a pale patch at base of vein 2; orbicular and reniform pale, partly black-edged, the lower lobe of the latter dark; submarginal line pale, with brown on each side of it, dentate to margin along veins 3 and 4; costa and apex pale; hindwing dull whitish, browner towards termen; the veins dark.

Larva yellow, dotted with brown, especially on dorsal areathe brown dots ringed with pale, forming dorsal and subdorsal lines; lateral and spiracular lines yellow.

[1] The moth flies from May to August depending on the location.

The larvae feed on sea beet and Salsola kali.