
Small Wood-Nymph
Common NameSmall Wood-Nymph
Scientific NameCercyonis oetus
FamilyNymphalidae
SubfamilySatyrinae
Wingspan (mm)42.5
Wing Patterneyespot
Primary Colorsbrown, gray, black
HabitatDry grasslands, sagebrush steppe, open woodlands, forest edges
Geographic RangeWestern North America, from southern Canada to northern Mexico
Host Plantsvarious grasses (e.g., Poa, Festuca, Bromus species)
Flight PeriodJune to September
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesEggs are laid singly on host grasses. Larvae feed on grasses and typically overwinter as partially grown caterpillars before pupating in spring.
Identification TipsKey features include the two distinct, prominent black eyespots on the forewing, the overall drab brown coloration, and its preference for dry, open grassy habitats in western North America.
Description
A medium-sized, dull brown butterfly with two prominent black eyespots ringed with yellow on the forewing, and a mottled, cryptic underside.




