What does your caterpillar look like? Choose one of the following:

• 3a. Crochets (minute hooks) on end of prolegs 3, 4, 5, and 6 form circle or nearly complete circle (Figures H, I, below); go to 4.
• 3b. Crochets on end of prolegs 3, 4, 5, and 6 form straight line or arc of less than 270° (Figure J, below); go to 6.