Fortunately, cauliflowers are usually set out either earlier than this, for the early crop, so that they become well established and out of reach before their depredations seriously begin, or else, for the late crop, they are set toward the last of June, after the worms have begun to pupate, and are no longer troublesome.
"The Cauliflower"
A. A. Crozier
In time they pupate and at the end of six weeks the first workers-all tiny Minims-hatch.
"Edge of the Jungle"
William Beebe
After reaching full growth, the caterpillars cut out a portion of the leaf from which they make a pupal case by means of silken threads, and here pupate for the second brood which emerges in late July and August.
"Manual of American Grape-Growing"
U. P. Hedrick