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

Calendar
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


TaxonomyBrowse
Info
ImagesLinksBooksData

Species Leptarctia californiae - Hodges#8126

Underwing? - Leptarctia californiae - female Tiger Moth - Leptarctia californiae - female Tiger Moth - Leptarctia californiae - female Tiger Moth - Leptarctia californiae - female Leptarctia californiae - male Leptarctia californiae Unknown moth - Leptarctia californiae - male Leptarctia californiae - male
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 Arctiinae (Tiger and Lichen Moths)
Tribe Arctiini (Tiger Moths)
Subtribe Spilosomina
Genus Leptarctia
Species californiae (Leptarctia californiae - Hodges#8126)
Hodges Number
8126
Synonyms and other taxonomic changes
Leptarctia californiae (Walker, 1855)
Nemeophila californiae Walker, 1855
Long list of due to the many variations!
Lithosia lena Boisduval, 1869
L. adnata Boisduval, 1869
Leptarctia fulvofasciata Butler, 1881
L. wrightii French, 1889
Lithosia decia Boisduval, 1869
Leptarctia boisduvalii Butler, 1881
L. latifasciata Butler, 1881
L. albifascia French, 1889
L. occidentalis French, 1889
L. dimidiata Stretch, 1872
L. stretchii Butler, 1881
Phylogenetic sequence # 930336 (1)
Numbers
The only species in this genus in America north of Mexico.(1)
Size
wingspan 26-34 mm, based on photos by Bruce Walsh
Identification
Adult: forewing dark gray to black with or without white spots (usually along costa at AM, PM, and/or subterminal lines); hindwing varies from mostly black to mostly orange, sometimes black with bold yellow, white, or orange markings; male antennae pectinate; female antennae simple.

Highly variable.
Range
New Mexico and Colorado to California, north to British Columbia.
Moth Photographers Group - large map with some collection locations and dates.
Season
Most records are from March to July.
Food
Larvae feed on a variety of herbaceous plants.
Remarks
Taxonomists apparently had difficulty in classifying this species, probably due to its great variation in color; eleven synonyms were proposed by four authors between the years 1869 and 1889.

Adults are active during daylight hours. diurnal
See Also
The Infant - Archiearis infans
Print References
Powell, J.A. & P.A. Opler, 2009. Moths of Western North America University of California Press. pl. 47, figs. 13-15; p. 269. (2)
Internet References
pinned adult images of 4 specimens showing variation in color (Bruce Walsh, Moths of Southeastern Arizona) (4)