Synonyms and other taxonomic changes
Oedemasia leptinoides (Grote, 1864)
Coelodasys leptinoides Grote
(1), 1864
Cecrita mustelina Packard, 1864
Phylogenetic sequence # 930104
(2) Explanation of Names
Oedemasia leptinoides (Grote, 1864), n. comb. in Becker (2014)
(3), was formerly placed in the genus
Schizura.
Size
Wingspan 35-42 mm.
Grote & Robinson (1867) reported the wingspan of one male as 1.6".
Identification
Adult: forewing medium to dark gray with a sharply defined dark basal streak, diffuse blackish blotch near center of wing and usually paler brownish shading toward inner margin; AM and PM lines double, indistinct; pale gray or whitish rectangular patch at apex; hindwing dirty white in male, and gray in female
Larva: body brown with prominent humps on first, fifth, and eighth abdominal segments; head strongly mottled with pattern coalescing into broad diffuse band to either side of midline; dorsum of thorax with dark patch widening toward head; dorsum of sixth and seventh segments with pale chevron
[description by David Wagner and Valerie Giles]
Range
Canada: NS to BC; USA: ME south to southern FL west to MN and TX in wooded areas with a disjunct population in western SD.
(4)
Type locality (leptinoides): "Middles States".
Type locality (mustelina): Cambridge, MA.
Season
The main flight period is April to September; earlier start in Florida.
Food
The larvae feed on leaves of apple, beech, birch, hickory, oak, poplar, walnut.
Life Cycle
One or two generations per year.
See Also
In
Oligocentria semirufescens the forewing has a diffuse dark area on the base and lower inner margin of the forewing. There is no dark basal streak and no double pm line.
Print References
Grote, A.R. 1864. Proceedings of the Entomological Society of Philadelphia 3. p. 323; plate 4, fig. 2.
Grote, A.R. & C.T. Robinson 1867. Descriptions of America Lepidoptera.
Transactions of the American Entomological Society 1. p.
177; plate 4, fig. 33.
Internet References
pinned adult images of male and female (James Adams, Dalton State College, Georgia)
live larva image plus description, seasonality, foodplants, biology (David Wagner and Valerie Giles, Caterpillars of Eastern Forests, USGS)
common name reference plus flight season and larval foodplants (Ohio State U.)
distribution in Canada; list of provinces of occurrence (U. of Alberta, using CBIF data)
