Synonyms and other taxonomic changes
Oedemasia leptinoides (Grote, 1864)
Cecrita mustelina Packard, 1864
Phylogenetic sequence #
Explanation of Names
(Grote, 1864), n. comb. in Becker (2014) (3)
, was formerly placed in the genus Schizura
Wingspan 35-42 mm.
Grote & Robinson (1867) reported the wingspan of one male as 1.6".
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]
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.
The main flight period is April to September; earlier start in Florida.
The larvae feed on leaves of apple, beech, birch, hickory, oak, poplar, walnut.
One or two generations per year.
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.
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.
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)