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

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

National Moth Week was July 23-31, 2022! See moth submissions.

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

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Previous events


Species Ctenucha brunnea - Brown Ctenucha - Hodges#8265

Red-Shouldered Ctenucha (Ctenucha multifaria - or ruboscrapus?) - Ctenucha brunnea Red-Shouldered Ctenucha (Ctenucha multifaria - or ruboscrapus?) - Ctenucha brunnea Ah, a tarantula hawk, I told myself. Fooled me! - Ctenucha brunnea Ctenuchid - Ctenucha brunnea Ctenucha brunnea Coastal canyon of Orange County (southern) California - Ctenucha brunnea Moth? - Ctenucha brunnea Virginia Ctenucha in California? - Ctenucha brunnea
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
Species brunnea (Brown Ctenucha - Hodges#8265)
Hodges Number
Synonyms and other taxonomic changes
Ctenucha brunnea Stretch, 1872
Explanation of Names
brunne is the Latin word for brown. (1)
Forewing length 18-20 mm.(2)
Stretch (1872) original description and the Hampson (1898) description are both available online in the print references.
Forewings pale brown with black veins and blue spot at wing base, costa and fringe of outer margin is white.
Coastal areas of central to southern California(3).
Specimens reported from Arizona and the Sierra Nevada may be misidentification according to McFarland.(2)
Moth Photographers Group - large map with some distribution data.
Powell & Opler (2009) reported May through July.(2)
Moth Photographers Group displays records to September. (4)
Adults are often found at flowers of Heteromeles arbutifolia (Lindl.) M. Roem. (toyon) (2)
The larvae feed on grass species including Leymus condensatus (J. Presl) Á. Löve (giant ryegrass). (2)
The population is in steady decline. (2)
Print References
Dyar, H.G., 1903, Bulletin of the United States National Museum. 52: 78.
Hampson. G.F., 1898. Catalogue of Lepidoptera Phalaenae in the British Museum. 529
Powell, J.A. & P.A., Opler 2009. Moths of Western North America. University of California Press, pl.49.5, p. 274. (2)
Stretch, R.H., 1872. Illustrations of the Zyaeniae & Bombyciae of North America. 30.