The ants are initially about 3 mm long. During this growth the worms sheds its skin four times at about 5-days intervals and after the fourth shedding it develops for about 10 days more. The fully grown worm is 8 to 9 cm in length and has increased its weight by 1000 fold to 5 gms.

Gather the skirt making sure that the width of the yoke and skirt are equal after the skirt has been gathered . Now place the yoke over the skirt right side facing and matching notches. Pin and tack distributing gathers evenly. Machine on the wrong side of the yoke along the seam line as shown. Finally remove the tacking and turn up yoke on the right side and press.