Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar

TaxonomyBrowse
Info
ImagesLinksBooksData

Species Spiramater lutra - Otter Spiramater - Hodges#10301

Otter Spiramater - Spiramater lutra Otter Spiramater Moth - Spiramater lutra Otter Spirameter - Spiramater lutra ive seen these submitted before - Spiramater lutra  10301 – Spiramater lutra – Otter Spiramater Moth  - Spiramater lutra Moth - Spiramater lutra Yellow with brown marks - Spiramater lutra 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
Species lutra (Otter Spiramater - Hodges#10301)
Hodges Number
10301
Synonyms and other taxonomic changes
formerly Lacanobia lutra
Explanation of Names
LUTRA: Lutra is the otter genus, giving rise to the common name Otter Spiramater; perhaps the describer of the species [Guenee in 1852] thought the coloration in some way resembled that of otter fur? (comment by Bob Patterson)
Size
wingspan about 40 mm
Identification
Adult: forewing dark brown or blackish with pale (often pinkish) reniform spot, anal patch, and basal patch

Larva: early instars green, later instars brown with a line of black dots down the back
Range
British Columbia to Newfoundland, south in the east at least to Maryland, south in the west to Arizona
Season
adults fly from May to July
Food
larvae feed on alder, arbutus, birch, buffalo-berry (Shepherdia canadensis), choke cherry, fir, gooseberry, hazel, hemlock, pine, poplar, spruce, tamarack, willow
Remarks
The genus Spiramater is misspelled "Spirameter" at a number of web sites.
See Also
Spiramater grandis (Grand Arches) has a light gray subterminal area, lacks pinkish markings, and has a conspicuous W shape half-way along the terminal line on the forewing. Compare images of both species.
Internet References
live larvae and adult images plus larval description and food plants (Jeremy Tatum, Butterflies and Moths of Southern Vancouver Island)
pinned adult image (John Glaser, Maryland)
pinned adult image (Bruce Walsh, Moths of Southeastern Arizona)
pinned adult image (A.W. Thomas, Canadian Forest Service)
larval food plants and adult flight season (Ohio State U.)