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

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

Previous events


Species Ceratonyx permagnaria - Hodges#6779

Moth - Ceratonyx permagnaria - male Moth - Ceratonyx permagnaria Moth - Ceratonyx permagnaria
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Geometroidea (Geometrid and Swallowtail Moths)
Family Geometridae (Geometrid Moths)
Subfamily Ennominae
Tribe Nacophorini
Genus Ceratonyx
Species permagnaria (Ceratonyx permagnaria - Hodges#6779)
Hodges Number
Synonyms and other taxonomic changes
original combination Stenocharis permagnaria Grossbeck, 1912
transfered from Stenocharis to Ceratonyx by Franclemont, 1967
forewing length 17 - 20 mm for males and 20 - 24 mm for females(1)
Larvae - first instar larva is without [horn-like] filaments [on the prothorax], black except for the light yellow stigmatal band and for ends of the prolegs and for the anal prolegs, which are translucent straw colored (Comstock, 1959)

Eggs - in compact single layered patches, individual egg stands erect, higher than wide, elongate oval with a raised dentate ring around the tip (Comstock, 1959)
southern Arizona and New Mexico, majority of specimens collected at elevations of from about 5000 feet to 8500 feet(1)
on the wing from February through October(1)
Internet References
Moth Photographers Group: Vargo Plates - Image of pinned adult with similar species
Moths of SE Arizona - Image of pinned adult (IMage of female)
Works Cited
1.A revision of the moth genus Ceratonyx (Lepidoptera, Geometridae).
Frederick H. Rindge. 1975. American Museum novitates ; no. 2564.