The species overwinters as a pupa within a fibrous cocoon. The species overwinters as a partially grown larva. The species overwinters as a pupa. This species overwinters as a pupa. The species overwinters as a larva. This species overwinters as a larva. The insect overwinters as a pupa in the soil. Pennycress is planted and germinates in the fall and overwinters as a small rosette. In these tissues, the pathogen forms diffuse cankers in which the mycelium overwinters. The species overwinters as a larva and feeds on mild days throughout the winter. This species overwinters as a pupa, sometimes spending two winters in this form. "W. carpophilus" overwinters in infected buds and in twig cankers. The disease overwinters as pseudothecia and mycelium in the stubble. Oxalis tuberosa is a perennial herbaceous plant that overwinters as underground stem tubers. In temperate zones it is destructive on winter wheat because the pathogen overwinters.