36. Tirumala septentrionis septentrionis (Butler, 1874) (Dark Blue Tiger)

Remarks. A male individual was recorded in Panisagar (24°17’38” N & 92°9’27” E, ca. 10 m above msl.) near Rowa Wildlife Sanctuary on 12.v.2016. In June 2019, another individual was sighted in the same locality, while resting on a dried stem. This species is not common in Tripura.

Current known distribution. Bangladesh, Myanmar, India (Himachal Pradesh to Northeast India; Andaman & Nicobar Islands) (Van Gasse 2013; Varshney & Smetacek 2015).