Samiksha Jaiswal

Lambdina fiscellaria

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Kingdom  Animalia
Order  Lepidoptera
Genus  Lambdina
Higher classification  Lambdina
Phylum  Arthropoda
Family  Geometridae
Scientific name  Lambdina fiscellaria
Rank  Species
Lambdina fiscellaria mothphotographersgroupmsstateeduFiles1LiveJS
Similar  Insect, Butterflies and moths, Geometer moth, Operophtera bruceata, Campaea perlata

Lambdina fiscellaria, the mournful thorn or hemlock looper, is a moth of the family Geometridae. It is found in North America, from the Pacific to the Atlantic coast and from Canada south to Pennsylvania, Wisconsin and California.

Gray to cream coloured with scalloped wing borders. Darker line across fore and hind wings, a second line across fore wings. Area between lines may be shaded or unshaded. Similar to oak besma.

The wingspan is about 35 mm. The moth flies from August to early October depending on the location.

The larvae feed on hemlock, balsam fir, white spruce, oak and other hardwoods.


There are three recognised subspecies:

  • Lambdina fiscellaria fiscellaria
  • Lambdina fiscellaria lugubrosa
  • Lambdina fiscellaria somniaria
  • References

    Lambdina fiscellaria Wikipedia

    Similar Topics
    Campaea perlata
    Geometer moth