New York Natural Heritage Program
Umber Moth
Hypomecis umbrosaria (Hübner, 1813)
Insects

Identifying Characteristics [-]
Umber moths have a wingspan of 2.6-4 cm. Wings are pale to dark gray with scalloped, jagged antemedial, postmedial, and subterminal lines that are black. All wings have discal spots that are elliptical and hollow (Covell 1984). Larvae are approximately 37 mm in length. The head is "reddish brown with areas of dark brown composed of irregular spots." The body is "mottled in shades of reddish brown" (Heitzman 1982).

Best Life Stage for Proper Identification [-]
Adult.

Diet [-]
Birches and oaks have been recorded as larval food plants (Covell 1984, Wagner et al. 2001).
Umber Moth Images
click to enlarge
The Best Time to See
Throughout the umber moth's range, the active dates are from April until August (Covell 1984). On Long Island, they are most likely to be found May through June (Schweitzer 1998).
J F M A M J J A S O N D
Present Active
The time of year you would expect to find Umber Moth present (blue shading) and active (orange shading) in New York.
Similar Species
  • Buchholz's Gray (Hypomecis buchholzaria)
    Buchholz's Gray have wings that are dark gray, dark brown, or blackish. Lines are poorly defined.