Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Interactive image map to choose major taxa 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

National Moth Week was July 19-27, and the Summer 2025 gathering in Louisiana, July 19-27

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


Species Zale undularis - Black Zale - Hodges#8695

Representative Images

Help ID this type of moth??? - Zale undularis Zale undularis - Black Zale???? - Zale undularis Black Zale - Zale undularis Zale undularis Pennsylvania Moth - Find The Black Zale - Zale undularis Black Zale - Zale undularis zale071917 - Zale undularis Zale undularis
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 Erebinae
Tribe Omopterini
Genus Zale
Species undularis (Black Zale - Hodges#8695)

Hodges Number

8695

Other Common Names

Fausse arpenteuse du robinier - En français… Ilze V-G.

Synonyms and other taxonomic changes

Zale undularis (Drury, 1773)
original combination Phalaena undularis Drury, 1773
Phaeocyma undularis (Smith's redescription)
synonym Homoptera nigricans Bethune, 1865 (description)
synonym Ypsia umbripennis Grote, 1876
* phylogentic sequence #931030

Size

wingspan 38-46 mm(1)
Larvae to 40 mm (Crumb, 1956)

Identification

Adult: wings blackish-brown to coal black with inconspicuous wavy black lines(1); yellowish blotch outside upper ST line is usually the only pale mark, although some individuals show whitish shading in median area, extending to inner margin of both wings

Range

Minnesota and Manitoba to New Brunswick, south to Florida and Arkansas(2)

Season

adults fly from April to September; May and June in the north (Ontario)

Food

larvae feed on leaves of Black Locust, Honey Locust(2)

See Also

Green-dusted Zale has greenish dusting or speckling on wings
Zale calycanthata has pale AM and terminal areas on the forewing
(compare images of all three species)

Print References

Smith, John B. (1908) A REVISION OF SOME SPECIES OF NOCTUIDAE HERETOFORE REFERRED TO THE GENUS HOMOPTERA BOISDUVAL p.231 (PDF download)
Crumb, Samuel Ebb (1956) The larvae of the Phalaenidae U.S. Dept. of Agriculture Technical Bulletin no. 1135 p. 292 (view)

Internet References

live adult images plus description, food plants, flight season (Lynn Scott, Ontario)
adult images (Larry Line, Maryland)
live adult image (Bob Patterson, Maryland)
live adult image (Dave Czaplak, Maryland)
pinned adult image (James Adams, Dalton State College, Georgia)
US distribution map (Moths of North America; USGS)

Works Cited

1.Field Guide to Moths of Eastern North America
Charles V. Covell, Jr. 2005.
2.Owlet Caterpillars of Eastern North America
David L. Wagner. 2011. Princeton University Press.