Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
 

Register · Log In
HomeGuideID RequestRecentFrassForumsDonateHelp
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
Upcoming Events

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

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

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

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


Previous events
TaxonomyBrowse
Info
ImagesLinksBooksData
Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Owlet Moths and kin (Noctuoidea) » Erebidae » Boletobiinae » Phytometrini » Isogona » Thin-lined Owlet - Hodges#8493 (Isogona tenuis)

Species Isogona tenuis - Thin-lined Owlet - Hodges#8493

Classification · Hodges Number · Synonyms and other taxonomic changes · Explanation of Names · Numbers · Size · Identification · Range · Habitat · Season · Food · Life Cycle · See Also · Print References · Internet References · Works Cited
Thin-lined Owlet Moth - Isogona tenuis Thin-lined Owlet - Hodges#8493 - Isogona tenuis Thin-lined Owlet - Isogona tenuis Moth - Isogona tenuis Isogona tenuis Thin-lined Owlet Moth - Isogona tenuis Thin-lined Owlet - Hodges#8493 - Isogona tenuis Something close to Isogona tenuis - Isogona tenuis
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 Erebidae
Subfamily Boletobiinae
Tribe Phytometrini
Genus Isogona
Species tenuis (Thin-lined Owlet - Hodges#8493)
Hodges Number
8493
Synonyms and other taxonomic changes
Isogona tenuis (Grote, 1872)
Eutoreuma tenuis Grote, 1872 (22)
Phylogenetic sequence # 930734
Explanation of Names
TENUIS: thin, fine, delicate, weak, feeble (William Whitaker); refers to the thin lines along the veins of the forewing
Numbers
Seven Isogona species are found in America north of Mexico.(1)
Size
Forewing length 10.8-15.5 mm. (2)
Identification
Description in PDF (Pogue, 2012). (2)
Original description as Eutoreuma tenuis Grote. (22)
-
Adult: forewing mouse gray, darker toward costa and somewhat mottled; veins, lines, and reniform spot outline yellowish-white; AM line nearly straight; PM line Y-shaped, with branches diverging to apex and costa; hindwing dark grayish with yellowish-white median line (3)
adults variations
Range
Ohio to Pennsylvania Florida to Texas and Florida. (4), (5), (6), (2)
Moth Photographers Group - large map with some distribution data.
Habitat
Deciduous woods containing hackberry.
Season
adults fly from May to August in the north; April to October in the south
Food
Larvae feed on leaves of hackberry (Celtis spp.) (3)
Life Cycle
Larva; larva; pupa; adult
See Also
Isogona segura

. . . . . . . .
Isogona punctipennis
Print References
Grote, A.R. 1872. Transactions of the American Entomological Society. vol. 4, p. (22)
Pougue, M.G. 2012. Lepidoptera: Noctuoidea: Erebidae of Great Smoky Mountains National Park. figs. 46-48, map 22, p. 25. (2)
Internet References
Moth Photographers Group - range map, photos of living and pinned adults.
iNaturalist
BOLD - Barcode of Life Data Systems - species account with collection map and photos of pinned adults.
Butterflies and Moths of North America
Works Cited
1.Annotated check list of the Noctuoidea (Insecta, Lepidoptera) of North America north of Mexico.
Donald J. Lafontaine, B. Christian Schmidt. 2010. ZooKeys 40: 1–239 .
2.Lepidoptera: Noctuoidea: Erebidae of Great Smoky Mountains National Park, USA.
Michael G. Pogue. 2012. Zootaxa 3153: 1–31 .
3.Field Guide to Moths of Eastern North America
Charles V. Covell, Jr. 2005.
4.Checklist of the Lepidoptera of Florida
5.North American Moth Photographers Group
6.Moths of Brackenridge Field Laboratory University of Texas at Austin
Contributed by Robin McLeod on 5 February, 2005 - 1:20am
Additional contributions by Maury Heiman, marcie oconnor
Last updated 4 June, 2023 - 5:53pm

Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.

Contributors own the copyright to and are solely responsible for contributed content.
Click the contributor's name for licensing and usage information.
Everything else copyright © 2003-2025 Iowa State University, unless otherwise noted.

Bugguide is hosted by:

Plant Pathology, Entomology and Microbiology at Iowa State University logo

Printer Friendly Version 		Terms of Use
Privacy Statement
Site Map
Contact