The
wingspan is 85–110 mm. Theretra boisduvalii MHNT CUT 2010 0 136 Coabang Vietnam male dorsal.jpg |Male dorsal (coll.
MHNT) Theretra boisduvalii MHNT CUT 2010 0 136 Coabang Vietnam male ventral.jpg|Male △ ventral (coll.
MHNT) Theretra boisduvalii MHNT CUT 2010 0 136 Doi Inthanon Chiang Mai female dorsal.jpg|Female dorsal (coll.
MHNT) Theretra boisduvalii MHNT CUT 2010 0 136 Doi Inthanon Chiang Mai female ventral.jpg|Female ventral (coll.
MHNT) == Biology ==