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Species Erynnis tristis - Mournful Duskywing - Hodges#3953

Duskywing for California in November - Erynnis tristis - female Mournful Duskywing for California in August - Erynnis tristis - male Mournful Duskywing - Erynnis tristis - male Erynnis tristis - female Duskywing - Erynnis tristis - male Dark skipper - Erynnis tristis Mournful Duskywing - Erynnis tristis Moth - Erynnis tristis
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Papilionoidea (Butterflies and Skippers)
Family Hesperiidae (Skippers)
Subfamily Pyrginae (Spread-wing Skippers)
Genus Erynnis (Duskywings)
Species tristis (Mournful Duskywing - Hodges#3953)
Hodges Number
Synonyms and other taxonomic changes
First described in 1852 by Jean Baptiste Boisduval as Thanaos tristis
Explanation of Names
tristis is Latin for "sad, sorrowful, mournful"- probably referring to the somber colors of the wings
Butterflies of America lists 3 subspecies:
tristis (Boisduval, 1852)
tatius (W. H. Edwards, 1883)
pattersoni Burns, 1964 ***Probably not found in our area
The caterpillars feed on various native oak species
Internet References
Annales de la Société entomologique de France, ser. 2, v. 10, p.311    Boisduval's original description of the species