New York Natural Heritage Program
Northern Oak Hairstreak
Satyrium favonius ontario (W. H. Edwards, 1868)

Habitat [-]
This species is most often found on dry rocky or sandy oak or oak-pine forest. Pitch pine and scrub oak may be present, but this butterfly is not generally found in classic pine barrens habitats. It may also turn up around more mixed forests.

Associated Ecological Communities [-]
  • Pitch pine-oak forest*
    A mixed forest that typically occurs on well-drained, sandy soils of glacial outwash plains or moraines; it also occurs on thin, rocky soils of ridgetops. The dominant trees are pitch pine mixed with one or more of the following oaks: scarlet oak, white oak, red oak, or black oak.

    * probable association but not confirmed