Attacus taprobanis is much darker than A. atlas.
The hyaline spots are small and narrow.
The hyaline streak on the forewing is absent.
The wingspan about 170–220 mm, probably the second largest after A. atlas.
In males, the forewings are maroon, sickle shaped, and smaller than the females'.
The wings are fairly dark reddish brown.
The lateral band is clearly pink but with little white vanes transparent stains are narrowly triangular in the male, large and teardrop shaped in females, the forewings, there is also a fairly narrow, tiny spot in front of the store.
Attacus taprobanis is much darker than A. atlas. The hyaline spots are small and narrow. The hyaline streak on the forewing is absent. The wingspan about 170–220 mm, probably the second largest after A. atlas. In males, the forewings are maroon, sickle shaped, and smaller than the females'. The wings are fairly dark reddish brown. The lateral band is clearly pink but with little white vanes transparent stains are narrowly triangular in the male, large and teardrop shaped in females, the forewings, there is also a fairly narrow, tiny spot in front of the store.
Attacus taprobanis