The Nature LibraryEN·ES
iNat·224175SpeciesInsecta1,244 field observations
  1. Animals
  2. ›Arthropods
  3. ›Hexapods
  4. ›Insects
  5. ›Winged and Once-winged Insects
  6. ›Butterflies and Moths
  7. ›Geometrid and Swallowtail Moths
  8. ›Geometer Moths
  9. ›Ennominae
  10. ›Boarmiini
  11. ›Lycia
Stout Spanworm Moth
Plate 1 of 5. (c) joannerusso, some rights reserved (CC BY-NC), uploaded by joannerusso · via iNaturalist

Stout Spanworm Moth

Lycia ursaria

Lycia ursaria, the stout spanworm moth or bear, is a moth of the family Geometridae. The species was first described by Francis Walker in 1860. It is found in southern Canada and the northern United States, south to New Jersey and Iowa.

The wingspan is about 45 mm. Adults are on wing from March to June in one generation per year.

Continue reading on Wikipedia
§·

Listen

Looking for field recordings…

§·

Where it lives

Recorded sightings

—

geo-referenced records in GBIF, from museums, herbaria and field observers.

Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.

§·

In the stacks

Searching the stacks…

Every page naming Lycia ursaria in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 224175.