Overview

Comprehensive Description

General Description

Wings grey-white heavily dusted with dark grey, median area slightly darker and bordered with scalloped, prominent AM and PM lines. Discal spots large. Slightly darker and smaller than the similar Cingilia caternaria. N. freemani is very similar, but lacks the yellow scales at the top of the head of canosaria; the ranges of the two do not overlap, with freemani strictly a foothills/mountain species in Alberta.
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Distribution

Distribution

Northeastern Alberta east to Nova Scotia and Newfoundland, south through New England.
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occurs (regularly, as a native taxon) in multiple nations

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National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

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Ecology

Habitat

Habitat

Coniferous boreal forest.
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Trophic Strategy

Trophic Strategy

Larvae feed on conifers, particularly balsam fir (Abies balsamaea) and white spruce (Picea glauca).
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Life History and Behavior

Cyclicity

Cyclicity

Adults fly in late August and September in Alberta.
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Life Cycle

Life Cycle

The caterpillar is boldly striped with green and yellow, a pattern helping it to blend in to the needles of its coniferous hosts. Pupates in a flimsy cocoon among host foliage. Adults are both diurnal and nocturnal (McGuffin 1987).
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Nepytia canosaria

The following is a representative barcode sequence, the centroid of all available sequences for this species. 

 
There are 6 barcode sequences available from BOLD and GenBank.  Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.  See the BOLD taxonomy browser for more complete information about this specimen and other sequences.
 
PHMO291-03|moth2025.02|Nepytia canosaria| ---------------------------------------------------------GGTATTTGAGCAGGAATAGTAGGAACTTCATTA---AGACTTTTAATTCGAGCAGAACTAGGAAATCCTGGATCTTTAATTGGAGAT---GATCAAATTTATAATACTATTGTAACTGCCCATGCTTTTATTATAATTTTTTTCATAGTAATACCTATTATAATTGGAGGATTTGGTAATTGATTAGTTCCCCTAATA---TTAGGAGCCCCTGATATAGCTTTTCCACGAATAAATAATATAAGATTTTGATTATTACCACCCTCTCTTATACTATTAATTTCAAGAAGAATTGTAGAAAATGGAGCAGGAACTGGATGAACAGTTTATCCCCCTTTATCTTCTAATATTGCTCACGGAGGAAGTTCAGTAGACTTA---GCAATTTTTTCATTACATTTAGCTGGAATTTCATCAATTTTAGGAGCAATTAACTTTATTACAACAATTATTAATATACGATTAAATAATTTATCTTTTGATCAAATACCTTTATTTGTTTGAGCAGTAGGAATTACAGCATTTTTATTATTATTATCTTTACCTGTATTAGCTGGA---GCTATTACTATATTATTGACAGATCGAAATTTAAATACATCTTTTTTTGATCCTGCTGGAGGAGGAGATCCAATTTTATATCAACATCTA------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 
-- end --

Download FASTA File
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Statistics of barcoding coverage: Nepytia canosaria

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Species: 59
Species With Barcodes: 1

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Conservation

Conservation Status

Conservation Status

Not of concern.
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National NatureServe Conservation Status

Canada

Rounded National Status Rank: NNR - Unranked

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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Wikipedia

Nepytia canosaria

The False Hemlock Looper (Nepytia canosaria) is a moth of the Geometridae family. It is found from Northeastern Alberta east to Nova Scotia and Newfoundland, south through New England.

Caterpillar
Puppa

The wingspan is about 30 mm. The moth flies from August to September depending on the location.

The larva feed on Balsam fir, Eastern hemlock, Spruces and occasionally other Conifer species.

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