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 Satyrium sylvinum - Sylvan Hairstreak - Hodges#4280

Sylvan Hairstreak - Satyrium sylvinum Sylvan Hairstreak - Satyrium sylvinum Sylvan hairstreak for California in July - Satyrium sylvinum Which Hairstreak? - Satyrium sylvinum Sylvan Hairstreak - Satyrium sylvinum Sylvan Hairstreak? - Satyrium sylvinum Satyrium sylvinum Sylvan Hairstreak - Satyrium sylvinum
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 Papilionoidea (Butterflies and Skippers)
Family Lycaenidae (Blues, Coppers, Hairstreaks, Harvesters)
Subfamily Theclinae (Hairstreaks)
Tribe Eumaeini
Genus Satyrium
Species sylvinum (Sylvan Hairstreak - Hodges#4280)
Hodges Number
4280
Synonyms and other taxonomic changes
S. sylvanus
Identification
Underwing is grayish with black postmedian spots. The blue patch doesn't have any orange on it. Only one or two orange spots near the tail.
Range
Western Canada south through California, and to New Mexico.
Habitat
Wetlands with willows.
Season
One brood, late spring to July.
Food
Larva feeds on willows.
Print References
(1) (2)