Pandemis heparana has a wingspan of 16–24 mm. In these moths the basic color of the forewings ranges from yellowish brown to reddish brown, with a reticulate pattern, a dark brown basal fascia, dark brown transversal bands, two triangular spots and brown fringes at the edge. The hindwings are gray-brown with white-yellow fringes. The larva can reach 22 mm and it is pale green.
These moths have two generations per year (bivoltine). The moth flies from late May to mid-September in western Europe. The larvae are considered a pest of trees and shrubs. They live in a rolled leaf and are polyphagous, feeding on various deciduous trees and shrubs including oak, willow, birch, honeysuckle, sorbus, apple and pear. Pupation takes places in the rolled leaves.
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