Common NamePine Powder MothSeasonalityAdults fly in spring, peaking in early to mid June.IdentificationForewing white heavily stippled with brown, broad brown AM, PM and terminal bands; hindwing ochre-brown with dark brown mottling and PM band. Discal spots relatively large and conspicuous. Female slightly smaller and paler overall. Very similar to E. discospilata, but males are larger and darker. Genitalic dissection is required to confirm identification (see McGuffin 1977). Treated as a subspecies of E. notataria in some older works.
Scientific NameEufidonia convergariaCommon Name
Pine Powder Moth
Habitat
Occurs in lodgepole and jack pine forest.
Seasonality
Adults fly in spring, peaking in early to mid June.
Identification
Forewing white heavily stippled with brown, broad brown AM, PM and terminal bands; hindwing ochre-brown with dark brown mottling and PM band. Discal spots relatively large and conspicuous. Female slightly smaller and…
Forewing white heavily stippled with brown, broad brown AM, PM and terminal bands; hindwing ochre-brown with dark brown mottling and PM band. Discal spots relatively large and conspicuous. Female slightly smaller and paler overall. Very similar to E. discospilata, but males are larger and darker. Genitalic dissection is required to confirm identification (see McGuffin 1977). Treated as a subspecies of E. notataria in some older works.
Life History
Adults are diurnal but are also attracted to lights at night. The larva is green and slender with a pale lateral line, mimicking pine needles. The pupa overwinters (Wagner et al. 2001). McGuffin (1977) gives a…
Adults are diurnal but are also attracted to lights at night. The larva is green and slender with a pale lateral line, mimicking pine needles. The pupa overwinters (Wagner et al. 2001). McGuffin (1977) gives a detailed description of the immature stages.
Conservation
Not of concern.
Diet Info
Larvae feed on various species of pine, including Lodgepole Pine (Pinus contortus) and Jack Pine (Pinus banksiana) (Prentice 1963, as E. notataria).
Range
Northeastern BC east to Newfoundland (McGuffin 1977).
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Citation
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Page Citation for Eufidonia convergaria
Page Citation
"Species Details - Eufidonia convergaria, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-4203. Accessed 27 Mar. 2023.