| Lambdina fiscellaria | |
|---|---|
| Lambdina fiscellaria lugubrosa | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Geometridae |
| Genus: | Lambdina |
| Species: | L. fiscellaria |
| Binomial name | |
| Lambdina fiscellaria Guenée, 1857 |
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| Synonyms | |
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The Mournful Thorn or Hemlock Looper (Lambdina fiscellaria) is a moth of the Geometridae family. 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.[1] Similar to Oak Besma.
The wingspan is about 35 mm. The moth flies from August to early Octobber depending on the location.[1]
The larva feed on hemlock, balsam fir, white spruce, oak and other hardwoods.
There are three recognised subspecies: