Ropes out to 20 mm before breaking. Watery to pasty. Recently dead larvae rarely rope. Old infections rope to 10 mm, occasionally to 20 mm, before breaking. Watery and granular.
Tough skin forms a sac.
Very old infections rope to about 5 mm before breaking. Pasty in very early stage otherwise hard. Appearance of brood Larvae placed centrally on base of cell. Larval or pupal remains break down. Larvae move to abnormal positions on cell base or wall.