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

Upcoming Events

Interested in a 2022 BugGuide gathering in New Mexico?

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 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.

Previous events


Genus Ctenucha

Caterpillar - Ctenucha virginica Red-Shouldered Ctenucha (Ctenucha multifaria - or ruboscrapus?) - Ctenucha brunnea Moth - Ctenucha venosa Black Moth - Ctenucha rubroscapus Virginia Ctenucha caterpillar - Ctenucha virginica Ctenucha rubroscapus - Ctenucha Tiger - Ctenucha virginica moth - Ctenucha venosa
Show images of: caterpillars · adults · both
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 Arctiinae (Tiger and Lichen Moths)
Tribe Arctiini (Tiger Moths)
Subtribe Ctenuchina
Genus Ctenucha
Synonyms and other taxonomic changes
Ctenucha Kirby, 1837
Compsoprium Blanchard, 1852
Philoros Walker, 1854
Caralisa Walker, 1856
Euctenucha Grote, 1873
Numbers lists 6 spp.
Not easy to determine venosa from cressonana from a photo. Location and flight time helps.
C. cressonana has one flight from May - July and is in the higher mountain elevations.
… Maury J. Heiman, 5 September, 2010
According to county reports in Butterflies and Moths of North America, the only sp. in the northeastern US is Ctenucha virginica.
Ctenucha rubroscapus ranges central CA north to Canada.
Ctenucha brunnea CA and AZ.
Ctenucha venosa central and southern states.
Ctenucha multifaria west coast.
Ctenucha cressonana AZ, UT, CO, NM and TX.
Print References
Packard, A.S. 1864. Notes on the Family Zygaenidae. Ctenucha. Proceedings of the Essex Institute 4: 33-40