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Lacanobia grandis

932882.00 — 10300 — Lacanobia grandis (Guenée, 1852) — Grand Arches Moth

Larval Host(s)

Presumed main host
on Block Island:

Known hosts:
unclear/unknown

Polyphagous

Remarks

This species has one of the most northerly ranges of any common moth species on Block Island, with most records on iNaturalist from the Canadian Prairie through the Great Lakes region to Massachusetts and the Canadian Maritimes and coastal records south to the New Jersey Pine Barrens. A future decline in local abundance could be an important marker of change in the island's moth fauna due to climate warming.

Life History

Univoltine on Block Island, flying mostly in June; evenly distributed among survey sites.

References

  • Species Page at Moth Photographers Group
  • Barcode of Life (BOLD) - Caution: Some specimens shown may not be sequenced. DNA barcode provides evidence of relatedness not proof of identification.
  • Hall et al., 2021. The Moths of North Carolina - website (identification, habitats and life history)
  • Species Page at BugGuide
  • Species Page at Pacific Northwest Moths

    • Adult phenology on Block Island of Lacanobia grandis

    Abundance data late May to early October