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.[1]
The wingspan is about 35 mm. The moth flies from August to early October depending on the location.[1]
The larvae feed on hemlock, balsam fir, white spruce, oak and other hardwoods.
^ abSogaard, Jim. (2009) Moths and Caterpillar of the North Woods. Duluth, MN:Kollath+Stensaas, p.53.
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mistletoe, and leaf-consuming insects such as Acleris gloverana and Lambdinafiscellaria. The bark has long served as a source of tannin for tanning leather...
large numbers and usually in conjunction with the hemlock looper (Lambdinafiscellaria), the Eupithecia species, the yellowlined conifer looper (Cladara...
periodic fires and insect outbreaks of the western hemlock looper (Lambdinafiscellaria lugubrosa). On a small scale, these forests are characterized by...
arrival of a defoliating insect outbreak, the Hemlock Looper, Lambdinafiscellariafiscellaria, resulted in increased salvage logging of old cedar stands...
(Apicomplexa: Eugregarinida) from Larval Eastern Hemlock Looper, Lambdinafiscellariafiscellaria (Lepidoptera: Geometridae)". The Journal of Eukaryotic Microbiology...
storms or outbreaks of insects, and avoided the hemlock looper (Lambdinafiscellaria) outbreak in the Côte-Nord region in 1998–2001. It has also not been...
groundcover. There was a serious infestation of hemlock looper moths (Lambdinafiscellaria) in the late 1990s and early 2000s which caused widespread defoliation...
decades, but there was a large infestation of hemlock looper moths (Lambdinafiscellaria) in the late 1980s, 1990s and early 2000s that caused considerable...
Bouleau River. There was a large infestation of hemlock looper moths (Lambdinafiscellaria) in the late 1990s and early 2000s that significantly damaged the...
and early 2000s there was a major infestation of hemlock looper (Lambdinafiscellaria) moths, which caused large scale defoliation of the firs. Fish in...