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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 Erynnis juvenalis - Juvenal's Duskywing - Hodges#3947

light duskywing - Erynnis juvenalis - male Confusing Duskywing - Erynnis juvenalis Is this a duskywing? - Erynnis juvenalis - male Juvenal's Duskywing - Erynnis juvenalis Genus Erynnis - Duskywing - Erynnis juvenalis Duskywing - Erynnis juvenalis duskywing - Erynnis juvenalis Female Juvenal's? - Erynnis juvenalis - female
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)
Tribe Erynnini
Genus Erynnis (Duskywings)
Species juvenalis (Juvenal's Duskywing - Hodges#3947)
Hodges Number
See INTERNET REFERENCES section below for images, description, and other info.

Male forewing has long white hairs scattered across (need magnifying glass or strong macro), whereas horatius does not.
Eastern half of US and adjacent Canada.
Larvae feed on oaks.
Internet References
pinned adult images plus info and US range map (
pinned adult and live larva image plus info and Canadian range map (CBIF)
several pinned adult images showing scent scales and underside of wings (
live adult image and much info (Butterflies of Massachusetts)
live adult images (Wisconsin Butterflies)