[2] Males and females of O. l. sablensis share the same antennae, palpi, genitalia and vestiture as O. l.

[2] Males of the subspecies have a rusty brown coloured forewing and have marking similar to that O. l. plagiata but are generally less distinctive.

[2] Females of the subspecies are a very light grey colour, and have small wing pads present.

[2] Like O. l. plagiata, O. l. sablensis has a flight period that occurs from late July to mid-September.

[2] The subspecies is a general feeder, and its larva has been found in blueberry, cranberry, bayberry and several species of sedges and grasses.