Synonyms and other taxonomic changes
formerly Chloroclysta hersiliata
Identification
Adult: typical form has basal and medial areas of forewing gray, with solid orange bar in AM area; upper portion of PM line with deep cleft (inward-pointing tooth), beyond which is an orange & cream patch in subterminal area
other forms may have an orangish medial area (with or without an orange AM bar), or a completely gray forewing - see pinned CBIF specimens in Internet References section below
hindwing pale gray or whitish with small discal spot
Range
coast to coast in southern Canada and northern United States, south in the Appalachians to North Carolina
Season
adults fly from June to August
Food
larvae feed on leaves of currant (Ribes spp.)
See Also
in the west (Saskatchewan and Alberta), D. rutlandia is similar but lacks a deeply-cleft PM line
in the far west (British Columbia), D. sobria is similar but has a jagged or zigzag AM bar
(
compare images of all three species)
Internet References
live adult images plus description, food plant, and flight season (Lynn Scott, Ontario)
pinned adult images showing four color variations (CBIF)
pinned adult image (A.W. Thomas, Canadian Forest Service)
food plant; PDF doc plus flight season and life cycle (Macrolepidoptera of Mont Saint-Hilaire Region, McGill U., Quebec)
common name reference plus food plant and flight season (Ohio State U.)
presence in North Carolina; list (Lepidoptera Checklist, Great Smoky Mountains National Park)
distribution in Canada list of provinces (CBIF)
Contributed by
Robin McLeod on 1 February, 2006 - 7:01am
Additional contributions by
marcie oconnorLast updated 15 June, 2018 - 9:27pm