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BugGuide is a National Moth Week Partner. How to add your National Moth Week 2021 photos. July 17-25.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

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TaxonomyBrowse
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Genus Spiramater

Caterpillar - Spiramater lutra Otter Spirameter - Spiramater lutra ive seen these submitted before - Spiramater lutra Otter Spiramater - Spiramater lutra otter spiramater - Spiramater lutra Spiramater lutra MA July - Spiramater lutra Otter Spiramater  - Spiramater lutra otter spiramater - Spiramater lutra
Show images of: caterpillars · adults · both
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Noctuoidea (Owlet Moths and kin)
Family Noctuidae (Owlet Moths)
Subfamily Noctuinae (Cutworm or Dart Moths)
Tribe Hadenini
Genus Spiramater
Synonyms and other taxonomic changes
genus often misspelled Spirameter
Numbers
2 species in North America (nearctica.com)
2 species in Canada (CBIF)
Range
coast to coast in southern Canada and northern US (one species, S. lutra, occurs south to Arizona in the west)
Internet References
pinned adult images of both species in North America (CBIF)