In the first two instars, the caterpillar is dark brown, almost black, with an irregular white band at its middle.
The band is covered on both sides with a wide, doubled, irregular white band.
They grow to about 5 in (12 cm) long and are mostly dark brown with irregular bands of white or cream.
Some populations have an irregular dark median band on the hind wing.
There is an irregular darker brown band starting behind the eyes and continuing down the back.
The forewings are gray to tan, crossed by irregular dark bands.
The color of the interior is chocolate, with an irregular white superior band.
From the apex, a thinner and often somewhat irregular black band extends to meet the first one.
Adults are buff coloured, with two irregular dark brown bands.
The shell is bright white and glossy with irregular bands of brown.