The ootheca, at first translucent, soon turns white and then within a few hours it turns pink, progressively darkening until, some 48 hours later, it attains the dark red-brown of the shell of a chestnut.
The ootheca soon turns white. This is at first translucent. It turns pink, progressively darkening. This is within a few hours. It attains the dark red-brown of the shell of a chestnut. This is some 48 hours later.