Common NameSharp-lined Powder MothSeasonalityAdults fly from late May to late June, peaking in mid June.IdentificationAdults are diurnal, but occasionally also come to lights. They can be abundant flying over labrador tea (Ledum groenlandicum) bogs in June. Eggs are laid on the undersides of host leaves. The immature stages are described in detail by McGuffin (1977) and a mature larva is illustrated by Wagner et al. (2001).
Scientific NameEufidonia discospilataCommon Name
Sharp-lined Powder Moth
Habitat
Boreal peatlands.
Seasonality
Adults fly from late May to late June, peaking in mid June.
Identification
Adults are diurnal, but occasionally also come to lights. They can be abundant flying over labrador tea (Ledum groenlandicum) bogs in June. Eggs are laid on the undersides of host leaves. The immature stages are…
Adults are diurnal, but occasionally also come to lights. They can be abundant flying over labrador tea (Ledum groenlandicum) bogs in June. Eggs are laid on the undersides of host leaves. The immature stages are described in detail by McGuffin (1977) and a mature larva is illustrated by Wagner et al. (2001).
Life History
Adults are diurnal, but occasionally also come to lights. They can be abundant flying over labrador tea (Ledum groenlandicum) bogs in June. Eggs are laid on the undersides of host leaves. The immature stages are…
Adults are diurnal, but occasionally also come to lights. They can be abundant flying over labrador tea (Ledum groenlandicum) bogs in June. Eggs are laid on the undersides of host leaves. The immature stages are described in detail by McGuffin (1977) and a mature larva is illustrated by Wagner et al. (2001).
Conservation
Not of concern.
Diet Info
Recorded from a variety of deciduous hosts, primarily in the heath family (Ericaceae), but also Viburnum; Spiraea, Prunus, Crataegus, Betula, Salix and Alnus. The coniferous hosts reported by Prentice (1963) are…
Recorded from a variety of deciduous hosts, primarily in the heath family (Ericaceae), but also Viburnum; Spiraea, Prunus, Crataegus, Betula, Salix and Alnus. The coniferous hosts reported by Prentice (1963) are likely accidental hosts or errors.
Range
A truly boreal species, ranging from northern BC east across the continent to Newfoundland, Massachusetts and the Great Lakes region (McGuffin 1977, Wagner et al. 2001).
Citation
Page Citation for Eufidonia discospilata
Page Citation
"Species Details - Eufidonia discospilata, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-4204. Accessed 27 Mar. 2023.