Epinotia solandriana

Distinguished from similar Epinotia species by combination of elongate forewings with moderately arched costa, angulated basal patch edge, and characteristic median dorsal blotch (white/pale or dark reddish-brown). Variation in ground color and blotch morphology requires careful examination; some forms may resemble other birch-feeding tortricids.

Forests and woodlands containing host trees: birch (Betula), hazel (Corylus), and willow (Salix). Larval habitat specifically involves living leaves of these host plants.

Europe; Asia: China (Jilin, Heilongjiang, Shaanxi, Gansu, Qinghai provinces), Korea, Japan, Russia; North America: Canada (Ontario), with records in Belgium and other European localities confirmed via GBIF.

Adults active July to September; single generation per year (univoltine). Timing varies by geographic location.

Larvae feed on leaves of birch (Betula species), hazel (Corylus avellana), and willow (Salix species). Adults do not feed.

• Betula - larval food plantprimary host; larvae are leaf rollers on birch leaves
• Corylus avellana - larval food planthazel
• Salix - larval food plantwillow

Complete metamorphosis: egg, larva, pupa, adult. Larvae develop through summer, rolling leaves of host plants for shelter and feeding. Pupation occurs within rolled leaves or in litter. Adults emerge July–September; single annual generation.

Larvae exhibit leaf-rolling behavior, folding birch, hazel, or willow leaves to create protective shelters while feeding. This behavior gives the species its common name.

Herbivore: larval feeding on birch, hazel, and willow leaves. Serves as host for parasitoids (parasite species recorded in Ontario study). Contributes to nutrient cycling through leaf damage and processing.

Minor forestry significance as a leaf-rolling pest on birch and related trees; damage generally not severe enough to warrant control measures. Subject of biological study for understanding tortricid-host plant relationships.

• Other Epinotia speciesSimilar size and general morphology; distinguished by specific wing pattern elements including shape of basal patch and median dorsal blotch
• Other birch-feeding TortricidaeShare host plants and habitat; require examination of genitalia or detailed wing pattern for definitive identification

• leaf roller
• birch
• tortricidae
• univoltine
• palearctic
• nearctic

• BugGuide
• Wikipedia
• GBIF taxonomy match
• iNaturalist taxon
• NCBI Taxonomy
• Catalogue of Life
• My Publications | Beetles In The Bush
• A BIOLOGICAL STUDY OF EPINOTIA SOLANDRIANA (LEPIDOPTERA: OLETHREUTIDAE), A LEAF ROLLER ON BIRCH IN ONTARIO