SeasonalityAdults fly from mid-August to October and May.
IdentificationAdult antennae are pale yellow-brown and the vertex of the head is pale yellow-brown. Spurs are dark brown and the formula is 1, 2, 2. Forewings are pale reddish brown. In males, the clasper is bifid and the ventral arm is much larger and roundel rectangular compared to the dorsal arm. The clasper is short and square-cut distally (Nimmo, 1971).