Apoderus coryli length of about . This species is rather similar to the oak roller weevil ("Attelabus nitens") and "Apoderus erythropterus", that shows a black pronotum. All three species produce leaf wraps into which the eggs are laid. Adults can be found between May and September. They feed on leaves of the host plant, the hazel ("Corylus avellana"), hence the Latin name "coryli" of the species, meaning hazelnut. Only in exceptional cases other deciduous trees, such as alder ("Alnus" species), birch ("Betula" species), common hornbeam ("Carpinus betulus") , common beech ("Fagus sylvatica") and hop-hornbeam ("Ostrya carpinifolia") are used as host plants. After
Luzula sylvatica least greenish throughout winter. The leaves can also help to differentiate the plant from similar-looking plants in the closely related genus "Juncus", as scattered white hairs can be found along the leaf edges. Its tepals are , with flowers which grow in groups of 3 or 4. From mid-spring to summer, "L. sylvatica " produces flowers in open panicles which are very small, chestnut-brown in colour and can be found in dense and lax clusters. "L. sylvatica" is sometimes stoloniferous. "Luzula sylvatica" is both anemophilous and entomophilous, in that it can be pollinated by either wind or insect. "L. sylvatica"'s